68271580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{262583}}^1$

素因数の和:262605

約数の個数: 24

約数和(自身を含む): 154399392

約数和(自身を除く): 86127812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 262583, 525166, 1050332, 1312915, 2625830, 3413579, 5251660, 6827158, 13654316, 17067895, 34135790, 68271580]

約数ペア:

[(1, 68271580), (2, 34135790), (4, 17067895), (5, 13654316), (10, 6827158), (13, 5251660), (20, 3413579), (26, 2625830), (52, 1312915), (65, 1050332), (130, 525166), (260, 262583)]