90159410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{19991}}^1$

素因数の和:20050

約数の個数: 32

約数和(自身を含む): 181367424

約数和(自身を除く): 91208014

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 19991, 39982, 99955, 199910, 219901, 439802, 819631, 1099505, 1639262, 2199010, 4098155, 8196310, 9015941, 18031882, 45079705, 90159410]

約数ペア:

[(1, 90159410), (2, 45079705), (5, 18031882), (10, 9015941), (11, 8196310), (22, 4098155), (41, 2199010), (55, 1639262), (82, 1099505), (110, 819631), (205, 439802), (410, 219901), (451, 199910), (902, 99955), (2255, 39982), (4510, 19991)]