86431880

素因数分解:

$2^3\times 5^1\times {\mathrm{2160797}}^1$

素因数の和:2160808

約数の個数: 16

約数和(自身を含む): 194471820

約数和(自身を除く): 108039940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2160797, 4321594, 8643188, 10803985, 17286376, 21607970, 43215940, 86431880]

約数ペア:

[(1, 86431880), (2, 43215940), (4, 21607970), (5, 17286376), (8, 10803985), (10, 8643188), (20, 4321594), (40, 2160797)]