2551480

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 5786640

約数和(自身を除く): 3235160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 281, 454, 562, 908, 1124, 1135, 1405, 1816, 2248, 2270, 2810, 4540, 5620, 9080, 11240, 63787, 127574, 255148, 318935, 510296, 637870, 1275740, 2551480]

約数ペア:

[(1, 2551480), (2, 1275740), (4, 637870), (5, 510296), (8, 318935), (10, 255148), (20, 127574), (40, 63787), (227, 11240), (281, 9080), (454, 5620), (562, 4540), (908, 2810), (1124, 2270), (1135, 2248), (1405, 1816)]