28753540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{10343}}^1$

素因数の和:10491

約数の個数: 24

約数和(自身を含む): 60822720

約数和(自身を除く): 32069180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 10343, 20686, 41372, 51715, 103430, 206860, 1437677, 2875354, 5750708, 7188385, 14376770, 28753540]

約数ペア:

[(1, 28753540), (2, 14376770), (4, 7188385), (5, 5750708), (10, 2875354), (20, 1437677), (139, 206860), (278, 103430), (556, 51715), (695, 41372), (1390, 20686), (2780, 10343)]