7828340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30109}}^1$

素因数の和:30131

約数の個数: 24

約数和(自身を含む): 17704680

約数和(自身を除く): 9876340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30109, 60218, 120436, 150545, 301090, 391417, 602180, 782834, 1565668, 1957085, 3914170, 7828340]

約数ペア:

[(1, 7828340), (2, 3914170), (4, 1957085), (5, 1565668), (10, 782834), (13, 602180), (20, 391417), (26, 301090), (52, 150545), (65, 120436), (130, 60218), (260, 30109)]