51438400

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2473}}^1$

素因数の和:2508

約数の個数: 84

約数和(自身を含む): 136361932

約数和(自身を除く): 84923532

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, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 1040, 1300, 1600, 2080, 2473, 2600, 4160, 4946, 5200, 9892, 10400, 12365, 19784, 20800, 24730, 32149, 39568, 49460, 61825, 64298, 79136, 98920, 123650, 128596, 158272, 160745, 197840, 247300, 257192, 321490, 395680, 494600, 514384, 642980, 791360, 803725, 989200, 1028768, 1285960, 1607450, 1978400, 2057536, 2571920, 3214900, 3956800, 5143840, 6429800, 10287680, 12859600, 25719200, 51438400]

約数ペア:

[(1, 51438400), (2, 25719200), (4, 12859600), (5, 10287680), (8, 6429800), (10, 5143840), (13, 3956800), (16, 3214900), (20, 2571920), (25, 2057536), (26, 1978400), (32, 1607450), (40, 1285960), (50, 1028768), (52, 989200), (64, 803725), (65, 791360), (80, 642980), (100, 514384), (104, 494600), (130, 395680), (160, 321490), (200, 257192), (208, 247300), (260, 197840), (320, 160745), (325, 158272), (400, 128596), (416, 123650), (520, 98920), (650, 79136), (800, 64298), (832, 61825), (1040, 49460), (1300, 39568), (1600, 32149), (2080, 24730), (2473, 20800), (2600, 19784), (4160, 12365), (4946, 10400), (5200, 9892)]