85169360

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6781}}^1$

素因数の和:6951

約数の個数: 40

約数和(自身を含む): 199309416

約数和(自身を除く): 114140056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 6781, 12560, 13562, 27124, 33905, 54248, 67810, 108496, 135620, 271240, 542480, 1064617, 2129234, 4258468, 5323085, 8516936, 10646170, 17033872, 21292340, 42584680, 85169360]

約数ペア:

[(1, 85169360), (2, 42584680), (4, 21292340), (5, 17033872), (8, 10646170), (10, 8516936), (16, 5323085), (20, 4258468), (40, 2129234), (80, 1064617), (157, 542480), (314, 271240), (628, 135620), (785, 108496), (1256, 67810), (1570, 54248), (2512, 33905), (3140, 27124), (6280, 13562), (6781, 12560)]