409724440

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{90647}}^1$

素因数の和:90771

約数の個数: 32

約数和(自身を含む): 930048480

約数和(自身を除く): 520324040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 90647, 181294, 362588, 453235, 725176, 906470, 1812940, 3625880, 10243111, 20486222, 40972444, 51215555, 81944888, 102431110, 204862220, 409724440]

約数ペア:

[(1, 409724440), (2, 204862220), (4, 102431110), (5, 81944888), (8, 51215555), (10, 40972444), (20, 20486222), (40, 10243111), (113, 3625880), (226, 1812940), (452, 906470), (565, 725176), (904, 453235), (1130, 362588), (2260, 181294), (4520, 90647)]