8478340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32609}}^1$

素因数の和:32631

約数の個数: 24

約数和(自身を含む): 19174680

約数和(自身を除く): 10696340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32609, 65218, 130436, 163045, 326090, 423917, 652180, 847834, 1695668, 2119585, 4239170, 8478340]

約数ペア:

[(1, 8478340), (2, 4239170), (4, 2119585), (5, 1695668), (10, 847834), (13, 652180), (20, 423917), (26, 326090), (52, 163045), (65, 130436), (130, 65218), (260, 32609)]