13472720

素因数分解:

$2^4\times 5^1\times {\mathrm{168409}}^1$

素因数の和:168422

約数の個数: 20

約数和(自身を含む): 31324260

約数和(自身を除く): 17851540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 168409, 336818, 673636, 842045, 1347272, 1684090, 2694544, 3368180, 6736360, 13472720]

約数ペア:

[(1, 13472720), (2, 6736360), (4, 3368180), (5, 2694544), (8, 1684090), (10, 1347272), (16, 842045), (20, 673636), (40, 336818), (80, 168409)]