328652020

素因数分解:

$2^2\times 5^1\times {\mathrm{2971}}^1\times {\mathrm{5531}}^1$

素因数の和:8511

約数の個数: 24

約数和(自身を含む): 690526368

約数和(自身を除く): 361874348

約数列:

[1, 2, 4, 5, 10, 20, 2971, 5531, 5942, 11062, 11884, 14855, 22124, 27655, 29710, 55310, 59420, 110620, 16432601, 32865202, 65730404, 82163005, 164326010, 328652020]

約数ペア:

[(1, 328652020), (2, 164326010), (4, 82163005), (5, 65730404), (10, 32865202), (20, 16432601), (2971, 110620), (5531, 59420), (5942, 55310), (11062, 29710), (11884, 27655), (14855, 22124)]