207972040

素因数分解:

$2^3\times 5^1\times {\mathrm{5199301}}^1$

素因数の和:5199312

約数の個数: 16

約数和(自身を含む): 467937180

約数和(自身を除く): 259965140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5199301, 10398602, 20797204, 25996505, 41594408, 51993010, 103986020, 207972040]

約数ペア:

[(1, 207972040), (2, 103986020), (4, 51993010), (5, 41594408), (8, 25996505), (10, 20797204), (20, 10398602), (40, 5199301)]