72625540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{279329}}^1$

素因数の和:279351

約数の個数: 24

約数和(自身を含む): 164246040

約数和(自身を除く): 91620500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 279329, 558658, 1117316, 1396645, 2793290, 3631277, 5586580, 7262554, 14525108, 18156385, 36312770, 72625540]

約数ペア:

[(1, 72625540), (2, 36312770), (4, 18156385), (5, 14525108), (10, 7262554), (13, 5586580), (20, 3631277), (26, 2793290), (52, 1396645), (65, 1117316), (130, 558658), (260, 279329)]