72209440

素因数分解:

$2^5\times 5^1\times {\mathrm{451309}}^1$

素因数の和:451324

約数の個数: 24

約数和(自身を含む): 170595180

約数和(自身を除く): 98385740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 451309, 902618, 1805236, 2256545, 3610472, 4513090, 7220944, 9026180, 14441888, 18052360, 36104720, 72209440]

約数ペア:

[(1, 72209440), (2, 36104720), (4, 18052360), (5, 14441888), (8, 9026180), (10, 7220944), (16, 4513090), (20, 3610472), (32, 2256545), (40, 1805236), (80, 902618), (160, 451309)]