8681420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39461}}^1$

素因数の和:39481

約数の個数: 24

約数和(自身を含む): 19888848

約数和(自身を除く): 11207428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 39461, 78922, 157844, 197305, 394610, 434071, 789220, 868142, 1736284, 2170355, 4340710, 8681420]

約数ペア:

[(1, 8681420), (2, 4340710), (4, 2170355), (5, 1736284), (10, 868142), (11, 789220), (20, 434071), (22, 394610), (44, 197305), (55, 157844), (110, 78922), (220, 39461)]