31469860

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{7907}}^1$

素因数の和:8115

約数の個数: 24

約数和(自身を含む): 66427200

約数和(自身を除く): 34957340

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 7907, 15814, 31628, 39535, 79070, 158140, 1573493, 3146986, 6293972, 7867465, 15734930, 31469860]

約数ペア:

[(1, 31469860), (2, 15734930), (4, 7867465), (5, 6293972), (10, 3146986), (20, 1573493), (199, 158140), (398, 79070), (796, 39535), (995, 31628), (1990, 15814), (3980, 7907)]