57221720

素因数分解:

$2^3\times 5^1\times {\mathrm{1430543}}^1$

素因数の和:1430554

約数の個数: 16

約数和(自身を含む): 128748960

約数和(自身を除く): 71527240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1430543, 2861086, 5722172, 7152715, 11444344, 14305430, 28610860, 57221720]

約数ペア:

[(1, 57221720), (2, 28610860), (4, 14305430), (5, 11444344), (8, 7152715), (10, 5722172), (20, 2861086), (40, 1430543)]