40048100

素因数分解:

$2^2\times 5^2\times {\mathrm{400481}}^1$

素因数の和:400495

約数の個数: 18

約数和(自身を含む): 86904594

約数和(自身を除く): 46856494

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 400481, 800962, 1601924, 2002405, 4004810, 8009620, 10012025, 20024050, 40048100]

約数ペア:

[(1, 40048100), (2, 20024050), (4, 10012025), (5, 8009620), (10, 4004810), (20, 2002405), (25, 1601924), (50, 800962), (100, 400481)]