39784870

素因数分解:

$2^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{3943}}^1$

素因数の和:4959

約数の個数: 16

約数和(自身を含む): 71701920

約数和(自身を除く): 31917050

約数列:

[1, 2, 5, 10, 1009, 2018, 3943, 5045, 7886, 10090, 19715, 39430, 3978487, 7956974, 19892435, 39784870]

約数ペア:

[(1, 39784870), (2, 19892435), (5, 7956974), (10, 3978487), (1009, 39430), (2018, 19715), (3943, 10090), (5045, 7886)]