25899880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20887}}^1$

素因数の和:20929

約数の個数: 32

約数和(自身を含む): 60157440

約数和(自身を除く): 34257560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20887, 41774, 83548, 104435, 167096, 208870, 417740, 647497, 835480, 1294994, 2589988, 3237485, 5179976, 6474970, 12949940, 25899880]

約数ペア:

[(1, 25899880), (2, 12949940), (4, 6474970), (5, 5179976), (8, 3237485), (10, 2589988), (20, 1294994), (31, 835480), (40, 647497), (62, 417740), (124, 208870), (155, 167096), (248, 104435), (310, 83548), (620, 41774), (1240, 20887)]