78072920

素因数分解:

$2^3\times 5^1\times {\mathrm{1951823}}^1$

素因数の和:1951834

約数の個数: 16

約数和(自身を含む): 175664160

約数和(自身を除く): 97591240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1951823, 3903646, 7807292, 9759115, 15614584, 19518230, 39036460, 78072920]

約数ペア:

[(1, 78072920), (2, 39036460), (4, 19518230), (5, 15614584), (8, 9759115), (10, 7807292), (20, 3903646), (40, 1951823)]