53649020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{37781}}^1$

素因数の和:37861

約数の個数: 24

約数和(自身を含む): 114252768

約数和(自身を除く): 60603748

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 37781, 75562, 151124, 188905, 377810, 755620, 2682451, 5364902, 10729804, 13412255, 26824510, 53649020]

約数ペア:

[(1, 53649020), (2, 26824510), (4, 13412255), (5, 10729804), (10, 5364902), (20, 2682451), (71, 755620), (142, 377810), (284, 188905), (355, 151124), (710, 75562), (1420, 37781)]