87080440

素因数分解:

$2^3\times 5^1\times {\mathrm{2177011}}^1$

素因数の和:2177022

約数の個数: 16

約数和(自身を含む): 195931080

約数和(自身を除く): 108850640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2177011, 4354022, 8708044, 10885055, 17416088, 21770110, 43540220, 87080440]

約数ペア:

[(1, 87080440), (2, 43540220), (4, 21770110), (5, 17416088), (8, 10885055), (10, 8708044), (20, 4354022), (40, 2177011)]