72177440

素因数分解:

$2^5\times 5^1\times {\mathrm{451109}}^1$

素因数の和:451124

約数の個数: 24

約数和(自身を含む): 170519580

約数和(自身を除く): 98342140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 451109, 902218, 1804436, 2255545, 3608872, 4511090, 7217744, 9022180, 14435488, 18044360, 36088720, 72177440]

約数ペア:

[(1, 72177440), (2, 36088720), (4, 18044360), (5, 14435488), (8, 9022180), (10, 7217744), (16, 4511090), (20, 3608872), (32, 2255545), (40, 1804436), (80, 902218), (160, 451109)]