12391250

素因数分解:

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

素因数の和:476

約数の個数: 40

約数和(自身を含む): 24292224

約数和(自身を除く): 11900974

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 431, 575, 625, 862, 1150, 1250, 2155, 2875, 4310, 5750, 9913, 10775, 14375, 19826, 21550, 28750, 49565, 53875, 99130, 107750, 247825, 269375, 495650, 538750, 1239125, 2478250, 6195625, 12391250]

約数ペア:

[(1, 12391250), (2, 6195625), (5, 2478250), (10, 1239125), (23, 538750), (25, 495650), (46, 269375), (50, 247825), (115, 107750), (125, 99130), (230, 53875), (250, 49565), (431, 28750), (575, 21550), (625, 19826), (862, 14375), (1150, 10775), (1250, 9913), (2155, 5750), (2875, 4310)]