8738980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5531}}^1$

素因数の和:5619

約数の個数: 24

約数和(自身を含む): 18587520

約数和(自身を除く): 9848540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 5531, 11062, 22124, 27655, 55310, 110620, 436949, 873898, 1747796, 2184745, 4369490, 8738980]

約数ペア:

[(1, 8738980), (2, 4369490), (4, 2184745), (5, 1747796), (10, 873898), (20, 436949), (79, 110620), (158, 55310), (316, 27655), (395, 22124), (790, 11062), (1580, 5531)]