12539480

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1381}}^1$

素因数の和:1619

約数の個数: 32

約数和(自身を含む): 28358640

約数和(自身を除く): 15819160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1381, 1816, 2270, 2762, 4540, 5524, 6905, 9080, 11048, 13810, 27620, 55240, 313487, 626974, 1253948, 1567435, 2507896, 3134870, 6269740, 12539480]

約数ペア:

[(1, 12539480), (2, 6269740), (4, 3134870), (5, 2507896), (8, 1567435), (10, 1253948), (20, 626974), (40, 313487), (227, 55240), (454, 27620), (908, 13810), (1135, 11048), (1381, 9080), (1816, 6905), (2270, 5524), (2762, 4540)]