51252640

素因数分解:

$2^5\times 5^1\times {\mathrm{320329}}^1$

素因数の和:320344

約数の個数: 24

約数和(自身を含む): 121084740

約数和(自身を除く): 69832100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 320329, 640658, 1281316, 1601645, 2562632, 3203290, 5125264, 6406580, 10250528, 12813160, 25626320, 51252640]

約数ペア:

[(1, 51252640), (2, 25626320), (4, 12813160), (5, 10250528), (8, 6406580), (10, 5125264), (16, 3203290), (20, 2562632), (32, 1601645), (40, 1281316), (80, 640658), (160, 320329)]