86900080

素因数分解:

$2^4\times 5^1\times {\mathrm{1086251}}^1$

素因数の和:1086264

約数の個数: 20

約数和(自身を含む): 202042872

約数和(自身を除く): 115142792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1086251, 2172502, 4345004, 5431255, 8690008, 10862510, 17380016, 21725020, 43450040, 86900080]

約数ペア:

[(1, 86900080), (2, 43450040), (4, 21725020), (5, 17380016), (8, 10862510), (10, 8690008), (16, 5431255), (20, 4345004), (40, 2172502), (80, 1086251)]