28451140

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{12589}}^1$

素因数の和:12711

約数の個数: 24

約数和(自身を含む): 60280920

約数和(自身を除く): 31829780

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 12589, 25178, 50356, 62945, 125890, 251780, 1422557, 2845114, 5690228, 7112785, 14225570, 28451140]

約数ペア:

[(1, 28451140), (2, 14225570), (4, 7112785), (5, 5690228), (10, 2845114), (20, 1422557), (113, 251780), (226, 125890), (452, 62945), (565, 50356), (1130, 25178), (2260, 12589)]