49389020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{34781}}^1$

素因数の和:34861

約数の個数: 24

約数和(自身を含む): 105180768

約数和(自身を除く): 55791748

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 34781, 69562, 139124, 173905, 347810, 695620, 2469451, 4938902, 9877804, 12347255, 24694510, 49389020]

約数ペア:

[(1, 49389020), (2, 24694510), (4, 12347255), (5, 9877804), (10, 4938902), (20, 2469451), (71, 695620), (142, 347810), (284, 173905), (355, 139124), (710, 69562), (1420, 34781)]