205536250

素因数分解:

$2^1\times 5^4\times {\mathrm{164429}}^1$

素因数の和:164451

約数の個数: 20

約数和(自身を含む): 385259490

約数和(自身を除く): 179723240

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 164429, 328858, 822145, 1644290, 4110725, 8221450, 20553625, 41107250, 102768125, 205536250]

約数ペア:

[(1, 205536250), (2, 102768125), (5, 41107250), (10, 20553625), (25, 8221450), (50, 4110725), (125, 1644290), (250, 822145), (625, 328858), (1250, 164429)]