28859620

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2963}}^1$

素因数の和:3459

約数の個数: 24

約数和(自身を含む): 60750144

約数和(自身を除く): 31890524

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 2963, 4870, 5926, 9740, 11852, 14815, 29630, 59260, 1442981, 2885962, 5771924, 7214905, 14429810, 28859620]

約数ペア:

[(1, 28859620), (2, 14429810), (4, 7214905), (5, 5771924), (10, 2885962), (20, 1442981), (487, 59260), (974, 29630), (1948, 14815), (2435, 11852), (2963, 9740), (4870, 5926)]