8263820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4091}}^1$

素因数の和:4201

約数の個数: 24

約数和(自身を含む): 17530128

約数和(自身を除く): 9266308

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 4091, 8182, 16364, 20455, 40910, 81820, 413191, 826382, 1652764, 2065955, 4131910, 8263820]

約数ペア:

[(1, 8263820), (2, 4131910), (4, 2065955), (5, 1652764), (10, 826382), (20, 413191), (101, 81820), (202, 40910), (404, 20455), (505, 16364), (1010, 8182), (2020, 4091)]