3240620

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 6840288

約数和(自身を除く): 3599668

約数列:

[1, 2, 4, 5, 10, 20, 311, 521, 622, 1042, 1244, 1555, 2084, 2605, 3110, 5210, 6220, 10420, 162031, 324062, 648124, 810155, 1620310, 3240620]

約数ペア:

[(1, 3240620), (2, 1620310), (4, 810155), (5, 648124), (10, 324062), (20, 162031), (311, 10420), (521, 6220), (622, 5210), (1042, 3110), (1244, 2605), (1555, 2084)]