15722990

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{7901}}^1$

素因数の和:8107

約数の個数: 16

約数和(自身を含む): 28447200

約数和(自身を除く): 12724210

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 7901, 15802, 39505, 79010, 1572299, 3144598, 7861495, 15722990]

約数ペア:

[(1, 15722990), (2, 7861495), (5, 3144598), (10, 1572299), (199, 79010), (398, 39505), (995, 15802), (1990, 7901)]