31154780

素因数分解:

$2^2\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{1319}}^1$

素因数の和:2509

約数の個数: 24

約数和(自身を含む): 65530080

約数和(自身を除く): 34375300

約数列:

[1, 2, 4, 5, 10, 20, 1181, 1319, 2362, 2638, 4724, 5276, 5905, 6595, 11810, 13190, 23620, 26380, 1557739, 3115478, 6230956, 7788695, 15577390, 31154780]

約数ペア:

[(1, 31154780), (2, 15577390), (4, 7788695), (5, 6230956), (10, 3115478), (20, 1557739), (1181, 26380), (1319, 23620), (2362, 13190), (2638, 11810), (4724, 6595), (5276, 5905)]