421815080

素因数分解:

$2^3\times 5^1\times {\mathrm{10545377}}^1$

素因数の和:10545388

約数の個数: 16

約数和(自身を含む): 949084020

約数和(自身を除く): 527268940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10545377, 21090754, 42181508, 52726885, 84363016, 105453770, 210907540, 421815080]

約数ペア:

[(1, 421815080), (2, 210907540), (4, 105453770), (5, 84363016), (8, 52726885), (10, 42181508), (20, 21090754), (40, 10545377)]