27720890090

素因数分解:

$2^1\times 5^1\times {\mathrm{11119}}^1\times {\mathrm{249311}}^1$

素因数の和:260437

約数の個数: 16

約数和(自身を含む): 49902289920

約数和(自身を除く): 22181399830

約数列:

[1, 2, 5, 10, 11119, 22238, 55595, 111190, 249311, 498622, 1246555, 2493110, 2772089009, 5544178018, 13860445045, 27720890090]

約数ペア:

[(1, 27720890090), (2, 13860445045), (5, 5544178018), (10, 2772089009), (11119, 2493110), (22238, 1246555), (55595, 498622), (111190, 249311)]