28771880

素因数分解:

$2^3\times 5^1\times {\mathrm{719297}}^1$

素因数の和:719308

約数の個数: 16

約数和(自身を含む): 64736820

約数和(自身を除く): 35964940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 719297, 1438594, 2877188, 3596485, 5754376, 7192970, 14385940, 28771880]

約数ペア:

[(1, 28771880), (2, 14385940), (4, 7192970), (5, 5754376), (8, 3596485), (10, 2877188), (20, 1438594), (40, 719297)]