81000110

素因数分解:

$2^1\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{6343}}^1$

素因数の和:7627

約数の個数: 16

約数和(自身を含む): 145937376

約数和(自身を除く): 64937266

約数列:

[1, 2, 5, 10, 1277, 2554, 6343, 6385, 12686, 12770, 31715, 63430, 8100011, 16200022, 40500055, 81000110]

約数ペア:

[(1, 81000110), (2, 40500055), (5, 16200022), (10, 8100011), (1277, 63430), (2554, 31715), (6343, 12770), (6385, 12686)]