68479580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263383}}^1$

素因数の和:263405

約数の個数: 24

約数和(自身を含む): 154869792

約数和(自身を除く): 86390212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263383, 526766, 1053532, 1316915, 2633830, 3423979, 5267660, 6847958, 13695916, 17119895, 34239790, 68479580]

約数ペア:

[(1, 68479580), (2, 34239790), (4, 17119895), (5, 13695916), (10, 6847958), (13, 5267660), (20, 3423979), (26, 2633830), (52, 1316915), (65, 1053532), (130, 526766), (260, 263383)]