202112720

素因数分解:

$2^4\times 5^1\times {\mathrm{2526409}}^1$

素因数の和:2526422

約数の個数: 20

約数和(自身を含む): 469912260

約数和(自身を除く): 267799540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2526409, 5052818, 10105636, 12632045, 20211272, 25264090, 40422544, 50528180, 101056360, 202112720]

約数ペア:

[(1, 202112720), (2, 101056360), (4, 50528180), (5, 40422544), (8, 25264090), (10, 20211272), (16, 12632045), (20, 10105636), (40, 5052818), (80, 2526409)]