4051240

素因数分解:

$2^3\times 5^1\times {\mathrm{101281}}^1$

素因数の和:101292

約数の個数: 16

約数和(自身を含む): 9115380

約数和(自身を除く): 5064140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101281, 202562, 405124, 506405, 810248, 1012810, 2025620, 4051240]

約数ペア:

[(1, 4051240), (2, 2025620), (4, 1012810), (5, 810248), (8, 506405), (10, 405124), (20, 202562), (40, 101281)]