31135280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{35381}}^1$

素因数の和:35405

約数の個数: 40

約数和(自身を含む): 78972624

約数和(自身を除く): 47837344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 35381, 70762, 141524, 176905, 283048, 353810, 389191, 566096, 707620, 778382, 1415240, 1556764, 1945955, 2830480, 3113528, 3891910, 6227056, 7783820, 15567640, 31135280]

約数ペア:

[(1, 31135280), (2, 15567640), (4, 7783820), (5, 6227056), (8, 3891910), (10, 3113528), (11, 2830480), (16, 1945955), (20, 1556764), (22, 1415240), (40, 778382), (44, 707620), (55, 566096), (80, 389191), (88, 353810), (110, 283048), (176, 176905), (220, 141524), (440, 70762), (880, 35381)]