6987640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15881}}^1$

素因数の和:15903

約数の個数: 32

約数和(自身を含む): 17152560

約数和(自身を除く): 10164920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 15881, 31762, 63524, 79405, 127048, 158810, 174691, 317620, 349382, 635240, 698764, 873455, 1397528, 1746910, 3493820, 6987640]

約数ペア:

[(1, 6987640), (2, 3493820), (4, 1746910), (5, 1397528), (8, 873455), (10, 698764), (11, 635240), (20, 349382), (22, 317620), (40, 174691), (44, 158810), (55, 127048), (88, 79405), (110, 63524), (220, 31762), (440, 15881)]