248720

素因数分解:

$2^4\times 5^1\times {\mathrm{3109}}^1$

素因数の和:3122

約数の個数: 20

約数和(自身を含む): 578460

約数和(自身を除く): 329740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3109, 6218, 12436, 15545, 24872, 31090, 49744, 62180, 124360, 248720]

約数ペア:

[(1, 248720), (2, 124360), (4, 62180), (5, 49744), (8, 31090), (10, 24872), (16, 15545), (20, 12436), (40, 6218), (80, 3109)]