256048390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{115859}}^1$

素因数の和:115896

約数の個数: 32

約数和(自身を含む): 525540960

約数和(自身を除く): 269492570

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 115859, 231718, 579295, 1158590, 1506167, 1969603, 3012334, 3939206, 7530835, 9848015, 15061670, 19696030, 25604839, 51209678, 128024195, 256048390]

約数ペア:

[(1, 256048390), (2, 128024195), (5, 51209678), (10, 25604839), (13, 19696030), (17, 15061670), (26, 9848015), (34, 7530835), (65, 3939206), (85, 3012334), (130, 1969603), (170, 1506167), (221, 1158590), (442, 579295), (1105, 231718), (2210, 115859)]