23489500

素因数分解:

$2^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 28402340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 125, 218, 250, 431, 436, 500, 545, 862, 1090, 1724, 2155, 2180, 2725, 4310, 5450, 8620, 10775, 10900, 13625, 21550, 27250, 43100, 46979, 53875, 54500, 93958, 107750, 187916, 215500, 234895, 469790, 939580, 1174475, 2348950, 4697900, 5872375, 11744750, 23489500]

約数ペア:

[(1, 23489500), (2, 11744750), (4, 5872375), (5, 4697900), (10, 2348950), (20, 1174475), (25, 939580), (50, 469790), (100, 234895), (109, 215500), (125, 187916), (218, 107750), (250, 93958), (431, 54500), (436, 53875), (500, 46979), (545, 43100), (862, 27250), (1090, 21550), (1724, 13625), (2155, 10900), (2180, 10775), (2725, 8620), (4310, 5450)]