11557640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2557}}^1$

素因数の和:2681

約数の個数: 32

約数和(自身を含む): 26245080

約数和(自身を除く): 14687440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 2557, 4520, 5114, 10228, 12785, 20456, 25570, 51140, 102280, 288941, 577882, 1155764, 1444705, 2311528, 2889410, 5778820, 11557640]

約数ペア:

[(1, 11557640), (2, 5778820), (4, 2889410), (5, 2311528), (8, 1444705), (10, 1155764), (20, 577882), (40, 288941), (113, 102280), (226, 51140), (452, 25570), (565, 20456), (904, 12785), (1130, 10228), (2260, 5114), (2557, 4520)]