28248980

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3371}}^1$

素因数の和:3799

約数の個数: 24

約数和(自身を含む): 59482080

約数和(自身を除く): 31233100

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 3371, 4190, 6742, 8380, 13484, 16855, 33710, 67420, 1412449, 2824898, 5649796, 7062245, 14124490, 28248980]

約数ペア:

[(1, 28248980), (2, 14124490), (4, 7062245), (5, 5649796), (10, 2824898), (20, 1412449), (419, 67420), (838, 33710), (1676, 16855), (2095, 13484), (3371, 8380), (4190, 6742)]