25011880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8807}}^1$

素因数の和:8889

約数の個数: 32

約数和(自身を含む): 57075840

約数和(自身を除く): 32063960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 8807, 17614, 35228, 44035, 70456, 88070, 176140, 352280, 625297, 1250594, 2501188, 3126485, 5002376, 6252970, 12505940, 25011880]

約数ペア:

[(1, 25011880), (2, 12505940), (4, 6252970), (5, 5002376), (8, 3126485), (10, 2501188), (20, 1250594), (40, 625297), (71, 352280), (142, 176140), (284, 88070), (355, 70456), (568, 44035), (710, 35228), (1420, 17614), (2840, 8807)]