85329560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19571}}^1$

素因数の和:19691

約数の個数: 32

約数和(自身を含む): 193762800

約数和(自身を除く): 108433240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 19571, 39142, 78284, 97855, 156568, 195710, 391420, 782840, 2133239, 4266478, 8532956, 10666195, 17065912, 21332390, 42664780, 85329560]

約数ペア:

[(1, 85329560), (2, 42664780), (4, 21332390), (5, 17065912), (8, 10666195), (10, 8532956), (20, 4266478), (40, 2133239), (109, 782840), (218, 391420), (436, 195710), (545, 156568), (872, 97855), (1090, 78284), (2180, 39142), (4360, 19571)]