89116820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{342757}}^1$

素因数の和:342779

約数の個数: 24

約数和(自身を含む): 201541704

約数和(自身を除く): 112424884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 342757, 685514, 1371028, 1713785, 3427570, 4455841, 6855140, 8911682, 17823364, 22279205, 44558410, 89116820]

約数ペア:

[(1, 89116820), (2, 44558410), (4, 22279205), (5, 17823364), (10, 8911682), (13, 6855140), (20, 4455841), (26, 3427570), (52, 1713785), (65, 1371028), (130, 685514), (260, 342757)]