2638373530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20295181}}^1$

素因数の和:20295201

約数の個数: 16

約数和(自身を含む): 5114385864

約数和(自身を除く): 2476012334

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 20295181, 40590362, 101475905, 202951810, 263837353, 527674706, 1319186765, 2638373530]

約数ペア:

[(1, 2638373530), (2, 1319186765), (5, 527674706), (10, 263837353), (13, 202951810), (26, 101475905), (65, 40590362), (130, 20295181)]