56163640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108007}}^1$

素因数の和:108031

約数の個数: 32

約数和(自身を含む): 136090080

約数和(自身を除く): 79926440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 108007, 216014, 432028, 540035, 864056, 1080070, 1404091, 2160140, 2808182, 4320280, 5616364, 7020455, 11232728, 14040910, 28081820, 56163640]

約数ペア:

[(1, 56163640), (2, 28081820), (4, 14040910), (5, 11232728), (8, 7020455), (10, 5616364), (13, 4320280), (20, 2808182), (26, 2160140), (40, 1404091), (52, 1080070), (65, 864056), (104, 540035), (130, 432028), (260, 216014), (520, 108007)]