205712120

素因数分解:

$2^3\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{3257}}^1$

素因数の和:4847

約数の個数: 32

約数和(自身を含む): 463287600

約数和(自身を除く): 257575480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1579, 3158, 3257, 6316, 6514, 7895, 12632, 13028, 15790, 16285, 26056, 31580, 32570, 63160, 65140, 130280, 5142803, 10285606, 20571212, 25714015, 41142424, 51428030, 102856060, 205712120]

約数ペア:

[(1, 205712120), (2, 102856060), (4, 51428030), (5, 41142424), (8, 25714015), (10, 20571212), (20, 10285606), (40, 5142803), (1579, 130280), (3158, 65140), (3257, 63160), (6316, 32570), (6514, 31580), (7895, 26056), (12632, 16285), (13028, 15790)]