29996080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5281}}^1$

素因数の和:5365

約数の個数: 40

約数和(自身を含む): 70736544

約数和(自身を除く): 40740464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5281, 5680, 10562, 21124, 26405, 42248, 52810, 84496, 105620, 211240, 374951, 422480, 749902, 1499804, 1874755, 2999608, 3749510, 5999216, 7499020, 14998040, 29996080]

約数ペア:

[(1, 29996080), (2, 14998040), (4, 7499020), (5, 5999216), (8, 3749510), (10, 2999608), (16, 1874755), (20, 1499804), (40, 749902), (71, 422480), (80, 374951), (142, 211240), (284, 105620), (355, 84496), (568, 52810), (710, 42248), (1136, 26405), (1420, 21124), (2840, 10562), (5281, 5680)]