12908810

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12781}}^1$

素因数の和:12889

約数の個数: 16

約数和(自身を含む): 23467752

約数和(自身を除く): 10558942

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 12781, 25562, 63905, 127810, 1290881, 2581762, 6454405, 12908810]

約数ペア:

[(1, 12908810), (2, 6454405), (5, 2581762), (10, 1290881), (101, 127810), (202, 63905), (505, 25562), (1010, 12781)]