8138380

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2731}}^1$

素因数の和:2889

約数の個数: 24

約数和(自身を含む): 17211600

約数和(自身を除く): 9073220

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2731, 2980, 5462, 10924, 13655, 27310, 54620, 406919, 813838, 1627676, 2034595, 4069190, 8138380]

約数ペア:

[(1, 8138380), (2, 4069190), (4, 2034595), (5, 1627676), (10, 813838), (20, 406919), (149, 54620), (298, 27310), (596, 13655), (745, 10924), (1490, 5462), (2731, 2980)]