28779640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42323}}^1$

素因数の和:42351

約数の個数: 32

約数和(自身を含む): 68564880

約数和(自身を除く): 39785240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 42323, 84646, 169292, 211615, 338584, 423230, 719491, 846460, 1438982, 1692920, 2877964, 3597455, 5755928, 7194910, 14389820, 28779640]

約数ペア:

[(1, 28779640), (2, 14389820), (4, 7194910), (5, 5755928), (8, 3597455), (10, 2877964), (17, 1692920), (20, 1438982), (34, 846460), (40, 719491), (68, 423230), (85, 338584), (136, 211615), (170, 169292), (340, 84646), (680, 42323)]