12272720

素因数分解:

$2^4\times 5^1\times {\mathrm{153409}}^1$

素因数の和:153422

約数の個数: 20

約数和(自身を含む): 28534260

約数和(自身を除く): 16261540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 153409, 306818, 613636, 767045, 1227272, 1534090, 2454544, 3068180, 6136360, 12272720]

約数ペア:

[(1, 12272720), (2, 6136360), (4, 3068180), (5, 2454544), (8, 1534090), (10, 1227272), (16, 767045), (20, 613636), (40, 306818), (80, 153409)]