1640703275

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1613}}^1$

素因数の和:1736

約数の個数: 48

約数和(自身を含む): 2233517760

約数和(自身を除く): 592814485

約数列:

[1, 5, 23, 25, 29, 61, 115, 145, 305, 575, 667, 725, 1403, 1525, 1613, 1769, 3335, 7015, 8065, 8845, 16675, 35075, 37099, 40325, 40687, 44225, 46777, 98393, 185495, 203435, 233885, 491965, 927475, 1017175, 1075871, 1169425, 2263039, 2459825, 2853397, 5379355, 11315195, 14266985, 26896775, 56575975, 65628131, 71334925, 328140655, 1640703275]

約数ペア:

[(1, 1640703275), (5, 328140655), (23, 71334925), (25, 65628131), (29, 56575975), (61, 26896775), (115, 14266985), (145, 11315195), (305, 5379355), (575, 2853397), (667, 2459825), (725, 2263039), (1403, 1169425), (1525, 1075871), (1613, 1017175), (1769, 927475), (3335, 491965), (7015, 233885), (8065, 203435), (8845, 185495), (16675, 98393), (35075, 46777), (37099, 44225), (40325, 40687)]