20164982800

素因数分解:

$2^4\times 5^2\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{3637}}^1$

素因数の和:3905

約数の個数: 120

約数和(自身を含む): 49337217216

約数和(自身を除く): 29172234416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 83, 100, 166, 167, 200, 332, 334, 400, 415, 664, 668, 830, 835, 1328, 1336, 1660, 1670, 2075, 2672, 3320, 3340, 3637, 4150, 4175, 6640, 6680, 7274, 8300, 8350, 13360, 13861, 14548, 16600, 16700, 18185, 27722, 29096, 33200, 33400, 36370, 55444, 58192, 66800, 69305, 72740, 90925, 110888, 138610, 145480, 181850, 221776, 277220, 290960, 301871, 346525, 363700, 554440, 603742, 607379, 693050, 727400, 1108880, 1207484, 1214758, 1386100, 1454800, 1509355, 2414968, 2429516, 2772200, 3018710, 3036895, 4829936, 4859032, 5544400, 6037420, 6073790, 7546775, 9718064, 12074840, 12147580, 15093550, 15184475, 24149680, 24295160, 30187100, 30368950, 48590320, 50412457, 60374200, 60737900, 100824914, 120748400, 121475800, 201649828, 242951600, 252062285, 403299656, 504124570, 806599312, 1008249140, 1260311425, 2016498280, 2520622850, 4032996560, 5041245700, 10082491400, 20164982800]

約数ペア:

[(1, 20164982800), (2, 10082491400), (4, 5041245700), (5, 4032996560), (8, 2520622850), (10, 2016498280), (16, 1260311425), (20, 1008249140), (25, 806599312), (40, 504124570), (50, 403299656), (80, 252062285), (83, 242951600), (100, 201649828), (166, 121475800), (167, 120748400), (200, 100824914), (332, 60737900), (334, 60374200), (400, 50412457), (415, 48590320), (664, 30368950), (668, 30187100), (830, 24295160), (835, 24149680), (1328, 15184475), (1336, 15093550), (1660, 12147580), (1670, 12074840), (2075, 9718064), (2672, 7546775), (3320, 6073790), (3340, 6037420), (3637, 5544400), (4150, 4859032), (4175, 4829936), (6640, 3036895), (6680, 3018710), (7274, 2772200), (8300, 2429516), (8350, 2414968), (13360, 1509355), (13861, 1454800), (14548, 1386100), (16600, 1214758), (16700, 1207484), (18185, 1108880), (27722, 727400), (29096, 693050), (33200, 607379), (33400, 603742), (36370, 554440), (55444, 363700), (58192, 346525), (66800, 301871), (69305, 290960), (72740, 277220), (90925, 221776), (110888, 181850), (138610, 145480)]