51891880

素因数分解:

$2^3\times 5^1\times {\mathrm{1297297}}^1$

素因数の和:1297308

約数の個数: 16

約数和(自身を含む): 116756820

約数和(自身を除く): 64864940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1297297, 2594594, 5189188, 6486485, 10378376, 12972970, 25945940, 51891880]

約数ペア:

[(1, 51891880), (2, 25945940), (4, 12972970), (5, 10378376), (8, 6486485), (10, 5189188), (20, 2594594), (40, 1297297)]