40391860

素因数分解:

$2^2\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{1831}}^1$

素因数の和:2943

約数の個数: 24

約数和(自身を含む): 84946176

約数和(自身を除く): 44554316

約数列:

[1, 2, 4, 5, 10, 20, 1103, 1831, 2206, 3662, 4412, 5515, 7324, 9155, 11030, 18310, 22060, 36620, 2019593, 4039186, 8078372, 10097965, 20195930, 40391860]

約数ペア:

[(1, 40391860), (2, 20195930), (4, 10097965), (5, 8078372), (10, 4039186), (20, 2019593), (1103, 36620), (1831, 22060), (2206, 18310), (3662, 11030), (4412, 9155), (5515, 7324)]