31568980

素因数分解:

$2^2\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{1297}}^1$

素因数の和:2523

約数の個数: 24

約数和(自身を含む): 66400488

約数和(自身を除く): 34831508

約数列:

[1, 2, 4, 5, 10, 20, 1217, 1297, 2434, 2594, 4868, 5188, 6085, 6485, 12170, 12970, 24340, 25940, 1578449, 3156898, 6313796, 7892245, 15784490, 31568980]

約数ペア:

[(1, 31568980), (2, 15784490), (4, 7892245), (5, 6313796), (10, 3156898), (20, 1578449), (1217, 25940), (1297, 24340), (2434, 12970), (2594, 12170), (4868, 6485), (5188, 6085)]