40442660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6997}}^1$

素因数の和:7040

約数の個数: 36

約数和(自身を含む): 90232212

約数和(自身を除く): 49789552

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 6997, 13994, 27988, 34985, 69970, 118949, 139940, 237898, 475796, 594745, 1189490, 2022133, 2378980, 4044266, 8088532, 10110665, 20221330, 40442660]

約数ペア:

[(1, 40442660), (2, 20221330), (4, 10110665), (5, 8088532), (10, 4044266), (17, 2378980), (20, 2022133), (34, 1189490), (68, 594745), (85, 475796), (170, 237898), (289, 139940), (340, 118949), (578, 69970), (1156, 34985), (1445, 27988), (2890, 13994), (5780, 6997)]