78624080

素因数分解:

$2^4\times 5^1\times {\mathrm{982801}}^1$

素因数の和:982814

約数の個数: 20

約数和(自身を含む): 182801172

約数和(自身を除く): 104177092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 982801, 1965602, 3931204, 4914005, 7862408, 9828010, 15724816, 19656020, 39312040, 78624080]

約数ペア:

[(1, 78624080), (2, 39312040), (4, 19656020), (5, 15724816), (8, 9828010), (10, 7862408), (16, 4914005), (20, 3931204), (40, 1965602), (80, 982801)]