80608720

素因数分解:

$2^4\times 5^1\times {\mathrm{1007609}}^1$

素因数の和:1007622

約数の個数: 20

約数和(自身を含む): 187415460

約数和(自身を除く): 106806740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1007609, 2015218, 4030436, 5038045, 8060872, 10076090, 16121744, 20152180, 40304360, 80608720]

約数ペア:

[(1, 80608720), (2, 40304360), (4, 20152180), (5, 16121744), (8, 10076090), (10, 8060872), (16, 5038045), (20, 4030436), (40, 2015218), (80, 1007609)]