22472720

素因数分解:

$2^4\times 5^1\times {\mathrm{280909}}^1$

素因数の和:280922

約数の個数: 20

約数和(自身を含む): 52249260

約数和(自身を除く): 29776540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 280909, 561818, 1123636, 1404545, 2247272, 2809090, 4494544, 5618180, 11236360, 22472720]

約数ペア:

[(1, 22472720), (2, 11236360), (4, 5618180), (5, 4494544), (8, 2809090), (10, 2247272), (16, 1404545), (20, 1123636), (40, 561818), (80, 280909)]