18820235200

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4999}}^1$

素因数の和:5215

約数の個数: 168

約数和(自身を含む): 50157380000

約数和(自身を除く): 31337144800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 181, 200, 208, 260, 320, 325, 362, 400, 416, 520, 650, 724, 800, 832, 905, 1040, 1300, 1448, 1600, 1810, 2080, 2353, 2600, 2896, 3620, 4160, 4525, 4706, 4999, 5200, 5792, 7240, 9050, 9412, 9998, 10400, 11584, 11765, 14480, 18100, 18824, 19996, 20800, 23530, 24995, 28960, 36200, 37648, 39992, 47060, 49990, 57920, 58825, 64987, 72400, 75296, 79984, 94120, 99980, 117650, 124975, 129974, 144800, 150592, 159968, 188240, 199960, 235300, 249950, 259948, 289600, 319936, 324935, 376480, 399920, 470600, 499900, 519896, 649870, 752960, 799840, 904819, 941200, 999800, 1039792, 1299740, 1599680, 1624675, 1809638, 1882400, 1999600, 2079584, 2599480, 3249350, 3619276, 3764800, 3999200, 4159168, 4524095, 5198960, 6498700, 7238552, 7998400, 9048190, 10397920, 11762647, 12997400, 14477104, 18096380, 20795840, 22620475, 23525294, 25994800, 28954208, 36192760, 45240950, 47050588, 51989600, 57908416, 58813235, 72385520, 90481900, 94101176, 103979200, 117626470, 144771040, 180963800, 188202352, 235252940, 289542080, 294066175, 361927600, 376404704, 470505880, 588132350, 723855200, 752809408, 941011760, 1176264700, 1447710400, 1882023520, 2352529400, 3764047040, 4705058800, 9410117600, 18820235200]

約数ペア:

[(1, 18820235200), (2, 9410117600), (4, 4705058800), (5, 3764047040), (8, 2352529400), (10, 1882023520), (13, 1447710400), (16, 1176264700), (20, 941011760), (25, 752809408), (26, 723855200), (32, 588132350), (40, 470505880), (50, 376404704), (52, 361927600), (64, 294066175), (65, 289542080), (80, 235252940), (100, 188202352), (104, 180963800), (130, 144771040), (160, 117626470), (181, 103979200), (200, 94101176), (208, 90481900), (260, 72385520), (320, 58813235), (325, 57908416), (362, 51989600), (400, 47050588), (416, 45240950), (520, 36192760), (650, 28954208), (724, 25994800), (800, 23525294), (832, 22620475), (905, 20795840), (1040, 18096380), (1300, 14477104), (1448, 12997400), (1600, 11762647), (1810, 10397920), (2080, 9048190), (2353, 7998400), (2600, 7238552), (2896, 6498700), (3620, 5198960), (4160, 4524095), (4525, 4159168), (4706, 3999200), (4999, 3764800), (5200, 3619276), (5792, 3249350), (7240, 2599480), (9050, 2079584), (9412, 1999600), (9998, 1882400), (10400, 1809638), (11584, 1624675), (11765, 1599680), (14480, 1299740), (18100, 1039792), (18824, 999800), (19996, 941200), (20800, 904819), (23530, 799840), (24995, 752960), (28960, 649870), (36200, 519896), (37648, 499900), (39992, 470600), (47060, 399920), (49990, 376480), (57920, 324935), (58825, 319936), (64987, 289600), (72400, 259948), (75296, 249950), (79984, 235300), (94120, 199960), (99980, 188240), (117650, 159968), (124975, 150592), (129974, 144800)]