206435560

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{23143}}^1$

素因数の和:23377

約数の個数: 32

約数和(自身を含む): 466583040

約数和(自身を除く): 260147480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 23143, 46286, 92572, 115715, 185144, 231430, 462860, 925720, 5160889, 10321778, 20643556, 25804445, 41287112, 51608890, 103217780, 206435560]

約数ペア:

[(1, 206435560), (2, 103217780), (4, 51608890), (5, 41287112), (8, 25804445), (10, 20643556), (20, 10321778), (40, 5160889), (223, 925720), (446, 462860), (892, 231430), (1115, 185144), (1784, 115715), (2230, 92572), (4460, 46286), (8920, 23143)]