80493620

素因数分解:

$2^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{6719}}^1$

素因数の和:7327

約数の個数: 24

約数和(自身を含む): 169344000

約数和(自身を除く): 88850380

約数列:

[1, 2, 4, 5, 10, 20, 599, 1198, 2396, 2995, 5990, 6719, 11980, 13438, 26876, 33595, 67190, 134380, 4024681, 8049362, 16098724, 20123405, 40246810, 80493620]

約数ペア:

[(1, 80493620), (2, 40246810), (4, 20123405), (5, 16098724), (10, 8049362), (20, 4024681), (599, 134380), (1198, 67190), (2396, 33595), (2995, 26876), (5990, 13438), (6719, 11980)]