7640620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29387}}^1$

素因数の和:29409

約数の個数: 24

約数和(自身を含む): 17280144

約数和(自身を除く): 9639524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 29387, 58774, 117548, 146935, 293870, 382031, 587740, 764062, 1528124, 1910155, 3820310, 7640620]

約数ペア:

[(1, 7640620), (2, 3820310), (4, 1910155), (5, 1528124), (10, 764062), (13, 587740), (20, 382031), (26, 293870), (52, 146935), (65, 117548), (130, 58774), (260, 29387)]