201686480

素因数分解:

$2^4\times 5^1\times {\mathrm{2521081}}^1$

素因数の和:2521094

約数の個数: 20

約数和(自身を含む): 468921252

約数和(自身を除く): 267234772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2521081, 5042162, 10084324, 12605405, 20168648, 25210810, 40337296, 50421620, 100843240, 201686480]

約数ペア:

[(1, 201686480), (2, 100843240), (4, 50421620), (5, 40337296), (8, 25210810), (10, 20168648), (16, 12605405), (20, 10084324), (40, 5042162), (80, 2521081)]