83945360

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1637}}^1$

素因数の和:2291

約数の個数: 40

約数和(自身を含む): 195596856

約数和(自身を除く): 111651496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 1637, 2564, 3205, 3274, 5128, 6410, 6548, 8185, 10256, 12820, 13096, 16370, 25640, 26192, 32740, 51280, 65480, 130960, 1049317, 2098634, 4197268, 5246585, 8394536, 10493170, 16789072, 20986340, 41972680, 83945360]

約数ペア:

[(1, 83945360), (2, 41972680), (4, 20986340), (5, 16789072), (8, 10493170), (10, 8394536), (16, 5246585), (20, 4197268), (40, 2098634), (80, 1049317), (641, 130960), (1282, 65480), (1637, 51280), (2564, 32740), (3205, 26192), (3274, 25640), (5128, 16370), (6410, 13096), (6548, 12820), (8185, 10256)]