68711380

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{13063}}^1$

素因数の和:13335

約数の個数: 24

約数和(自身を含む): 144853632

約数和(自身を除く): 76142252

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 13063, 26126, 52252, 65315, 130630, 261260, 3435569, 6871138, 13742276, 17177845, 34355690, 68711380]

約数ペア:

[(1, 68711380), (2, 34355690), (4, 17177845), (5, 13742276), (10, 6871138), (20, 3435569), (263, 261260), (526, 130630), (1052, 65315), (1315, 52252), (2630, 26126), (5260, 13063)]