87091880

素因数分解:

$2^3\times 5^1\times {\mathrm{2177297}}^1$

素因数の和:2177308

約数の個数: 16

約数和(自身を含む): 195956820

約数和(自身を除く): 108864940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2177297, 4354594, 8709188, 10886485, 17418376, 21772970, 43545940, 87091880]

約数ペア:

[(1, 87091880), (2, 43545940), (4, 21772970), (5, 17418376), (8, 10886485), (10, 8709188), (20, 4354594), (40, 2177297)]