77205880

素因数分解:

$2^3\times 5^1\times {\mathrm{1930147}}^1$

素因数の和:1930158

約数の個数: 16

約数和(自身を含む): 173713320

約数和(自身を除く): 96507440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1930147, 3860294, 7720588, 9650735, 15441176, 19301470, 38602940, 77205880]

約数ペア:

[(1, 77205880), (2, 38602940), (4, 19301470), (5, 15441176), (8, 9650735), (10, 7720588), (20, 3860294), (40, 1930147)]