1320241390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10155703}}^1$

素因数の和:10155723

約数の個数: 16

約数和(自身を含む): 2559237408

約数和(自身を除く): 1238996018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 10155703, 20311406, 50778515, 101557030, 132024139, 264048278, 660120695, 1320241390]

約数ペア:

[(1, 1320241390), (2, 660120695), (5, 264048278), (10, 132024139), (13, 101557030), (26, 50778515), (65, 20311406), (130, 10155703)]