68052140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261739}}^1$

素因数の和:261761

約数の個数: 24

約数和(自身を含む): 153903120

約数和(自身を除く): 85850980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 261739, 523478, 1046956, 1308695, 2617390, 3402607, 5234780, 6805214, 13610428, 17013035, 34026070, 68052140]

約数ペア:

[(1, 68052140), (2, 34026070), (4, 17013035), (5, 13610428), (10, 6805214), (13, 5234780), (20, 3402607), (26, 2617390), (52, 1308695), (65, 1046956), (130, 523478), (260, 261739)]