39453740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 87091200

約数和(自身を除く): 47637460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 199, 230, 398, 431, 460, 796, 862, 995, 1724, 1990, 2155, 3980, 4310, 4577, 8620, 9154, 9913, 18308, 19826, 22885, 39652, 45770, 49565, 85769, 91540, 99130, 171538, 198260, 343076, 428845, 857690, 1715380, 1972687, 3945374, 7890748, 9863435, 19726870, 39453740]

約数ペア:

[(1, 39453740), (2, 19726870), (4, 9863435), (5, 7890748), (10, 3945374), (20, 1972687), (23, 1715380), (46, 857690), (92, 428845), (115, 343076), (199, 198260), (230, 171538), (398, 99130), (431, 91540), (460, 85769), (796, 49565), (862, 45770), (995, 39652), (1724, 22885), (1990, 19826), (2155, 18308), (3980, 9913), (4310, 9154), (4577, 8620)]