51645560

素因数分解:

$2^3\times 5^1\times {\mathrm{1291139}}^1$

素因数の和:1291150

約数の個数: 16

約数和(自身を含む): 116202600

約数和(自身を除く): 64557040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1291139, 2582278, 5164556, 6455695, 10329112, 12911390, 25822780, 51645560]

約数ペア:

[(1, 51645560), (2, 25822780), (4, 12911390), (5, 10329112), (8, 6455695), (10, 5164556), (20, 2582278), (40, 1291139)]