80881912

素因数分解:

$2^3\times {\mathrm{499}}^1\times {\mathrm{20261}}^1$

素因数の和:20766

約数の個数: 16

約数和(自身を含む): 151965000

約数和(自身を除く): 71083088

約数列:

[1, 2, 4, 8, 499, 998, 1996, 3992, 20261, 40522, 81044, 162088, 10110239, 20220478, 40440956, 80881912]

約数ペア:

[(1, 80881912), (2, 40440956), (4, 20220478), (8, 10110239), (499, 162088), (998, 81044), (1996, 40522), (3992, 20261)]