68753620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{264437}}^1$

素因数の和:264459

約数の個数: 24

約数和(自身を含む): 155489544

約数和(自身を除く): 86735924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 264437, 528874, 1057748, 1322185, 2644370, 3437681, 5288740, 6875362, 13750724, 17188405, 34376810, 68753620]

約数ペア:

[(1, 68753620), (2, 34376810), (4, 17188405), (5, 13750724), (10, 6875362), (13, 5288740), (20, 3437681), (26, 2644370), (52, 1322185), (65, 1057748), (130, 528874), (260, 264437)]