28583780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^2\times {\mathrm{229}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 61060860

約数和(自身を除く): 32477080

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 229, 316, 395, 458, 790, 916, 1145, 1580, 2290, 4580, 6241, 12482, 18091, 24964, 31205, 36182, 62410, 72364, 90455, 124820, 180910, 361820, 1429189, 2858378, 5716756, 7145945, 14291890, 28583780]

約数ペア:

[(1, 28583780), (2, 14291890), (4, 7145945), (5, 5716756), (10, 2858378), (20, 1429189), (79, 361820), (158, 180910), (229, 124820), (316, 90455), (395, 72364), (458, 62410), (790, 36182), (916, 31205), (1145, 24964), (1580, 18091), (2290, 12482), (4580, 6241)]