7996880

素因数分解:

$2^4\times 5^1\times {\mathrm{99961}}^1$

素因数の和:99974

約数の個数: 20

約数和(自身を含む): 18592932

約数和(自身を除く): 10596052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 99961, 199922, 399844, 499805, 799688, 999610, 1599376, 1999220, 3998440, 7996880]

約数ペア:

[(1, 7996880), (2, 3998440), (4, 1999220), (5, 1599376), (8, 999610), (10, 799688), (16, 499805), (20, 399844), (40, 199922), (80, 99961)]