40812540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{680209}}^1$

素因数の和:680221

約数の個数: 24

約数和(自身を含む): 114275280

約数和(自身を除く): 73462740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 680209, 1360418, 2040627, 2720836, 3401045, 4081254, 6802090, 8162508, 10203135, 13604180, 20406270, 40812540]

約数ペア:

[(1, 40812540), (2, 20406270), (3, 13604180), (4, 10203135), (5, 8162508), (6, 6802090), (10, 4081254), (12, 3401045), (15, 2720836), (20, 2040627), (30, 1360418), (60, 680209)]