421415080

素因数分解:

$2^3\times 5^1\times {\mathrm{10535377}}^1$

素因数の和:10535388

約数の個数: 16

約数和(自身を含む): 948184020

約数和(自身を除く): 526768940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10535377, 21070754, 42141508, 52676885, 84283016, 105353770, 210707540, 421415080]

約数ペア:

[(1, 421415080), (2, 210707540), (4, 105353770), (5, 84283016), (8, 52676885), (10, 42141508), (20, 21070754), (40, 10535377)]