2631640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5981}}^1$

素因数の和:6003

約数の個数: 32

約数和(自身を含む): 6460560

約数和(自身を除く): 3828920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 5981, 11962, 23924, 29905, 47848, 59810, 65791, 119620, 131582, 239240, 263164, 328955, 526328, 657910, 1315820, 2631640]

約数ペア:

[(1, 2631640), (2, 1315820), (4, 657910), (5, 526328), (8, 328955), (10, 263164), (11, 239240), (20, 131582), (22, 119620), (40, 65791), (44, 59810), (55, 47848), (88, 29905), (110, 23924), (220, 11962), (440, 5981)]