71402740

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{8059}}^1$

素因数の和:8511

約数の個数: 24

約数和(自身を含む): 150302880

約数和(自身を除く): 78900140

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8059, 8860, 16118, 32236, 40295, 80590, 161180, 3570137, 7140274, 14280548, 17850685, 35701370, 71402740]

約数ペア:

[(1, 71402740), (2, 35701370), (4, 17850685), (5, 14280548), (10, 7140274), (20, 3570137), (443, 161180), (886, 80590), (1772, 40295), (2215, 32236), (4430, 16118), (8059, 8860)]