3638216080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{640531}}^1$

素因数の和:640615

約数の個数: 40

約数和(自身を含む): 8578004544

約数和(自身を除く): 4939788464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 640531, 1281062, 2562124, 3202655, 5124248, 6405310, 10248496, 12810620, 25621240, 45477701, 51242480, 90955402, 181910804, 227388505, 363821608, 454777010, 727643216, 909554020, 1819108040, 3638216080]

約数ペア:

[(1, 3638216080), (2, 1819108040), (4, 909554020), (5, 727643216), (8, 454777010), (10, 363821608), (16, 227388505), (20, 181910804), (40, 90955402), (71, 51242480), (80, 45477701), (142, 25621240), (284, 12810620), (355, 10248496), (568, 6405310), (710, 5124248), (1136, 3202655), (1420, 2562124), (2840, 1281062), (5680, 640531)]