13929980

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4273}}^1$

素因数の和:4445

約数の個数: 24

約数和(自身を含む): 29439312

約数和(自身を除く): 15509332

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 4273, 8546, 17092, 21365, 42730, 85460, 696499, 1392998, 2785996, 3482495, 6964990, 13929980]

約数ペア:

[(1, 13929980), (2, 6964990), (4, 3482495), (5, 2785996), (10, 1392998), (20, 696499), (163, 85460), (326, 42730), (652, 21365), (815, 17092), (1630, 8546), (3260, 4273)]