72558980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{279073}}^1$

素因数の和:279095

約数の個数: 24

約数和(自身を含む): 164095512

約数和(自身を除く): 91536532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 279073, 558146, 1116292, 1395365, 2790730, 3627949, 5581460, 7255898, 14511796, 18139745, 36279490, 72558980]

約数ペア:

[(1, 72558980), (2, 36279490), (4, 18139745), (5, 14511796), (10, 7255898), (13, 5581460), (20, 3627949), (26, 2790730), (52, 1395365), (65, 1116292), (130, 558146), (260, 279073)]