133088720

素因数分解:

$2^4\times 5^1\times {\mathrm{1663609}}^1$

素因数の和:1663622

約数の個数: 20

約数和(自身を含む): 309431460

約数和(自身を除く): 176342740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1663609, 3327218, 6654436, 8318045, 13308872, 16636090, 26617744, 33272180, 66544360, 133088720]

約数ペア:

[(1, 133088720), (2, 66544360), (4, 33272180), (5, 26617744), (8, 16636090), (10, 13308872), (16, 8318045), (20, 6654436), (40, 3327218), (80, 1663609)]