1988045390

素因数分解:

$2^1\times 5^1\times {\mathrm{2039}}^1\times {\mathrm{97501}}^1$

素因数の和:99547

約数の個数: 16

約数和(自身を含む): 3580273440

約数和(自身を除く): 1592228050

約数列:

[1, 2, 5, 10, 2039, 4078, 10195, 20390, 97501, 195002, 487505, 975010, 198804539, 397609078, 994022695, 1988045390]

約数ペア:

[(1, 1988045390), (2, 994022695), (5, 397609078), (10, 198804539), (2039, 975010), (4078, 487505), (10195, 195002), (20390, 97501)]