72808060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280031}}^1$

素因数の和:280053

約数の個数: 24

約数和(自身を含む): 164658816

約数和(自身を除く): 91850756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 280031, 560062, 1120124, 1400155, 2800310, 3640403, 5600620, 7280806, 14561612, 18202015, 36404030, 72808060]

約数ペア:

[(1, 72808060), (2, 36404030), (4, 18202015), (5, 14561612), (10, 7280806), (13, 5600620), (20, 3640403), (26, 2800310), (52, 1400155), (65, 1120124), (130, 560062), (260, 280031)]