522980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 1115520

約数和(自身を除く): 592540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 331, 395, 662, 790, 1324, 1580, 1655, 3310, 6620, 26149, 52298, 104596, 130745, 261490, 522980]

約数ペア:

[(1, 522980), (2, 261490), (4, 130745), (5, 104596), (10, 52298), (20, 26149), (79, 6620), (158, 3310), (316, 1655), (331, 1580), (395, 1324), (662, 790)]