19975250

素因数分解:

$2^1\times 5^3\times {\mathrm{79901}}^1$

素因数の和:79918

約数の個数: 16

約数和(自身を含む): 37394136

約数和(自身を除く): 17418886

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 79901, 159802, 399505, 799010, 1997525, 3995050, 9987625, 19975250]

約数ペア:

[(1, 19975250), (2, 9987625), (5, 3995050), (10, 1997525), (25, 799010), (50, 399505), (125, 159802), (250, 79901)]