19900250

素因数分解:

$2^1\times 5^3\times {\mathrm{79601}}^1$

素因数の和:79618

約数の個数: 16

約数和(自身を含む): 37253736

約数和(自身を除く): 17353486

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 79601, 159202, 398005, 796010, 1990025, 3980050, 9950125, 19900250]

約数ペア:

[(1, 19900250), (2, 9950125), (5, 3980050), (10, 1990025), (25, 796010), (50, 398005), (125, 159202), (250, 79601)]