28866680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42451}}^1$

素因数の和:42479

約数の個数: 32

約数和(自身を含む): 68772240

約数和(自身を除く): 39905560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 42451, 84902, 169804, 212255, 339608, 424510, 721667, 849020, 1443334, 1698040, 2886668, 3608335, 5773336, 7216670, 14433340, 28866680]

約数ペア:

[(1, 28866680), (2, 14433340), (4, 7216670), (5, 5773336), (8, 3608335), (10, 2886668), (17, 1698040), (20, 1443334), (34, 849020), (40, 721667), (68, 424510), (85, 339608), (136, 212255), (170, 169804), (340, 84902), (680, 42451)]