67837640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{130457}}^1$

素因数の和:130481

約数の個数: 32

約数和(自身を含む): 164377080

約数和(自身を除く): 96539440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 130457, 260914, 521828, 652285, 1043656, 1304570, 1695941, 2609140, 3391882, 5218280, 6783764, 8479705, 13567528, 16959410, 33918820, 67837640]

約数ペア:

[(1, 67837640), (2, 33918820), (4, 16959410), (5, 13567528), (8, 8479705), (10, 6783764), (13, 5218280), (20, 3391882), (26, 2609140), (40, 1695941), (52, 1304570), (65, 1043656), (104, 652285), (130, 521828), (260, 260914), (520, 130457)]