84171320

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{4217}}^1$

素因数の和:4727

約数の個数: 32

約数和(自身を含む): 189810000

約数和(自身を除く): 105638680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3992, 4217, 4990, 8434, 9980, 16868, 19960, 21085, 33736, 42170, 84340, 168680, 2104283, 4208566, 8417132, 10521415, 16834264, 21042830, 42085660, 84171320]

約数ペア:

[(1, 84171320), (2, 42085660), (4, 21042830), (5, 16834264), (8, 10521415), (10, 8417132), (20, 4208566), (40, 2104283), (499, 168680), (998, 84340), (1996, 42170), (2495, 33736), (3992, 21085), (4217, 19960), (4990, 16868), (8434, 9980)]