49565000

素因数分解:

$2^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:480

約数の個数: 80

約数和(自身を含む): 121461120

約数和(自身を除く): 71896120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 431, 460, 500, 575, 625, 862, 920, 1000, 1150, 1250, 1724, 2155, 2300, 2500, 2875, 3448, 4310, 4600, 5000, 5750, 8620, 9913, 10775, 11500, 14375, 17240, 19826, 21550, 23000, 28750, 39652, 43100, 49565, 53875, 57500, 79304, 86200, 99130, 107750, 115000, 198260, 215500, 247825, 269375, 396520, 431000, 495650, 538750, 991300, 1077500, 1239125, 1982600, 2155000, 2478250, 4956500, 6195625, 9913000, 12391250, 24782500, 49565000]

約数ペア:

[(1, 49565000), (2, 24782500), (4, 12391250), (5, 9913000), (8, 6195625), (10, 4956500), (20, 2478250), (23, 2155000), (25, 1982600), (40, 1239125), (46, 1077500), (50, 991300), (92, 538750), (100, 495650), (115, 431000), (125, 396520), (184, 269375), (200, 247825), (230, 215500), (250, 198260), (431, 115000), (460, 107750), (500, 99130), (575, 86200), (625, 79304), (862, 57500), (920, 53875), (1000, 49565), (1150, 43100), (1250, 39652), (1724, 28750), (2155, 23000), (2300, 21550), (2500, 19826), (2875, 17240), (3448, 14375), (4310, 11500), (4600, 10775), (5000, 9913), (5750, 8620)]