149072080

素因数分解:

$2^4\times 5^1\times {\mathrm{1863401}}^1$

素因数の和:1863414

約数の個数: 20

約数和(自身を含む): 346592772

約数和(自身を除く): 197520692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1863401, 3726802, 7453604, 9317005, 14907208, 18634010, 29814416, 37268020, 74536040, 149072080]

約数ペア:

[(1, 149072080), (2, 74536040), (4, 37268020), (5, 29814416), (8, 18634010), (10, 14907208), (16, 9317005), (20, 7453604), (40, 3726802), (80, 1863401)]