39915200

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 168

約数和(自身を含む): 112440720

約数和(自身を除く): 72525520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 64, 65, 76, 80, 95, 100, 101, 104, 130, 152, 160, 190, 200, 202, 208, 247, 260, 304, 320, 325, 380, 400, 404, 416, 475, 494, 505, 520, 608, 650, 760, 800, 808, 832, 950, 988, 1010, 1040, 1216, 1235, 1300, 1313, 1520, 1600, 1616, 1900, 1919, 1976, 2020, 2080, 2470, 2525, 2600, 2626, 3040, 3232, 3800, 3838, 3952, 4040, 4160, 4940, 5050, 5200, 5252, 6080, 6175, 6464, 6565, 7600, 7676, 7904, 8080, 9595, 9880, 10100, 10400, 10504, 12350, 13130, 15200, 15352, 15808, 16160, 19190, 19760, 20200, 20800, 21008, 24700, 24947, 26260, 30400, 30704, 32320, 32825, 38380, 39520, 40400, 42016, 47975, 49400, 49894, 52520, 61408, 65650, 76760, 79040, 80800, 84032, 95950, 98800, 99788, 105040, 122816, 124735, 131300, 153520, 161600, 191900, 197600, 199576, 210080, 249470, 262600, 307040, 383800, 395200, 399152, 420160, 498940, 525200, 614080, 623675, 767600, 798304, 997880, 1050400, 1247350, 1535200, 1596608, 1995760, 2100800, 2494700, 3070400, 3991520, 4989400, 7983040, 9978800, 19957600, 39915200]

約数ペア:

[(1, 39915200), (2, 19957600), (4, 9978800), (5, 7983040), (8, 4989400), (10, 3991520), (13, 3070400), (16, 2494700), (19, 2100800), (20, 1995760), (25, 1596608), (26, 1535200), (32, 1247350), (38, 1050400), (40, 997880), (50, 798304), (52, 767600), (64, 623675), (65, 614080), (76, 525200), (80, 498940), (95, 420160), (100, 399152), (101, 395200), (104, 383800), (130, 307040), (152, 262600), (160, 249470), (190, 210080), (200, 199576), (202, 197600), (208, 191900), (247, 161600), (260, 153520), (304, 131300), (320, 124735), (325, 122816), (380, 105040), (400, 99788), (404, 98800), (416, 95950), (475, 84032), (494, 80800), (505, 79040), (520, 76760), (608, 65650), (650, 61408), (760, 52520), (800, 49894), (808, 49400), (832, 47975), (950, 42016), (988, 40400), (1010, 39520), (1040, 38380), (1216, 32825), (1235, 32320), (1300, 30704), (1313, 30400), (1520, 26260), (1600, 24947), (1616, 24700), (1900, 21008), (1919, 20800), (1976, 20200), (2020, 19760), (2080, 19190), (2470, 16160), (2525, 15808), (2600, 15352), (2626, 15200), (3040, 13130), (3232, 12350), (3800, 10504), (3838, 10400), (3952, 10100), (4040, 9880), (4160, 9595), (4940, 8080), (5050, 7904), (5200, 7676), (5252, 7600), (6080, 6565), (6175, 6464)]