90436250

素因数分解:

$2^1\times 5^4\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1112

約数の個数: 40

約数和(自身を含む): 172069920

約数和(自身を除く): 81633670

約数列:

[1, 2, 5, 10, 25, 50, 71, 125, 142, 250, 355, 625, 710, 1019, 1250, 1775, 2038, 3550, 5095, 8875, 10190, 17750, 25475, 44375, 50950, 72349, 88750, 127375, 144698, 254750, 361745, 636875, 723490, 1273750, 1808725, 3617450, 9043625, 18087250, 45218125, 90436250]

約数ペア:

[(1, 90436250), (2, 45218125), (5, 18087250), (10, 9043625), (25, 3617450), (50, 1808725), (71, 1273750), (125, 723490), (142, 636875), (250, 361745), (355, 254750), (625, 144698), (710, 127375), (1019, 88750), (1250, 72349), (1775, 50950), (2038, 44375), (3550, 25475), (5095, 17750), (8875, 10190)]