8895640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17107}}^1$

素因数の和:17131

約数の個数: 32

約数和(自身を含む): 21556080

約数和(自身を除く): 12660440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 17107, 34214, 68428, 85535, 136856, 171070, 222391, 342140, 444782, 684280, 889564, 1111955, 1779128, 2223910, 4447820, 8895640]

約数ペア:

[(1, 8895640), (2, 4447820), (4, 2223910), (5, 1779128), (8, 1111955), (10, 889564), (13, 684280), (20, 444782), (26, 342140), (40, 222391), (52, 171070), (65, 136856), (104, 85535), (130, 68428), (260, 34214), (520, 17107)]