647085980

素因数分解:

$2^2\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{29333}}^1$

素因数の和:30445

約数の個数: 24

約数和(自身を含む): 1360158912

約数和(自身を除く): 713072932

約数列:

[1, 2, 4, 5, 10, 20, 1103, 2206, 4412, 5515, 11030, 22060, 29333, 58666, 117332, 146665, 293330, 586660, 32354299, 64708598, 129417196, 161771495, 323542990, 647085980]

約数ペア:

[(1, 647085980), (2, 323542990), (4, 161771495), (5, 129417196), (10, 64708598), (20, 32354299), (1103, 586660), (2206, 293330), (4412, 146665), (5515, 117332), (11030, 58666), (22060, 29333)]