201471280

素因数分解:

$2^4\times 5^1\times {\mathrm{2518391}}^1$

素因数の和:2518404

約数の個数: 20

約数和(自身を含む): 468420912

約数和(自身を除く): 266949632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2518391, 5036782, 10073564, 12591955, 20147128, 25183910, 40294256, 50367820, 100735640, 201471280]

約数ペア:

[(1, 201471280), (2, 100735640), (4, 50367820), (5, 40294256), (8, 25183910), (10, 20147128), (16, 12591955), (20, 10073564), (40, 5036782), (80, 2518391)]