159012940

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{39953}}^1$

素因数の和:40161

約数の個数: 24

約数和(自身を含む): 335613600

約数和(自身を除く): 176600660

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 39953, 79906, 159812, 199765, 399530, 799060, 7950647, 15901294, 31802588, 39753235, 79506470, 159012940]

約数ペア:

[(1, 159012940), (2, 79506470), (4, 39753235), (5, 31802588), (10, 15901294), (20, 7950647), (199, 799060), (398, 399530), (796, 199765), (995, 159812), (1990, 79906), (3980, 39953)]