12926500

素因数分解:

$2^2\times 5^3\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 28619136

約数和(自身を除く): 15692636

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 125, 206, 250, 251, 412, 500, 502, 515, 1004, 1030, 1255, 2060, 2510, 2575, 5020, 5150, 6275, 10300, 12550, 12875, 25100, 25750, 25853, 31375, 51500, 51706, 62750, 103412, 125500, 129265, 258530, 517060, 646325, 1292650, 2585300, 3231625, 6463250, 12926500]

約数ペア:

[(1, 12926500), (2, 6463250), (4, 3231625), (5, 2585300), (10, 1292650), (20, 646325), (25, 517060), (50, 258530), (100, 129265), (103, 125500), (125, 103412), (206, 62750), (250, 51706), (251, 51500), (412, 31375), (500, 25853), (502, 25750), (515, 25100), (1004, 12875), (1030, 12550), (1255, 10300), (2060, 6275), (2510, 5150), (2575, 5020)]