85398520

素因数分解:

$2^3\times 5^1\times {\mathrm{2134963}}^1$

素因数の和:2134974

約数の個数: 16

約数和(自身を含む): 192146760

約数和(自身を除く): 106748240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2134963, 4269926, 8539852, 10674815, 17079704, 21349630, 42699260, 85398520]

約数ペア:

[(1, 85398520), (2, 42699260), (4, 21349630), (5, 17079704), (8, 10674815), (10, 8539852), (20, 4269926), (40, 2134963)]