15925940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1511}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 36578304

約数和(自身を除く): 20652364

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 1511, 2108, 2635, 3022, 5270, 6044, 7555, 10540, 15110, 25687, 30220, 46841, 51374, 93682, 102748, 128435, 187364, 234205, 256870, 468410, 513740, 796297, 936820, 1592594, 3185188, 3981485, 7962970, 15925940]

約数ペア:

[(1, 15925940), (2, 7962970), (4, 3981485), (5, 3185188), (10, 1592594), (17, 936820), (20, 796297), (31, 513740), (34, 468410), (62, 256870), (68, 234205), (85, 187364), (124, 128435), (155, 102748), (170, 93682), (310, 51374), (340, 46841), (527, 30220), (620, 25687), (1054, 15110), (1511, 10540), (2108, 7555), (2635, 6044), (3022, 5270)]