7965980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36209}}^1$

素因数の和:36229

約数の個数: 24

約数和(自身を含む): 18249840

約数和(自身を除く): 10283860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 36209, 72418, 144836, 181045, 362090, 398299, 724180, 796598, 1593196, 1991495, 3982990, 7965980]

約数ペア:

[(1, 7965980), (2, 3982990), (4, 1991495), (5, 1593196), (10, 796598), (11, 724180), (20, 398299), (22, 362090), (44, 181045), (55, 144836), (110, 72418), (220, 36209)]