25273000

素因数分解:

$2^3\times 5^3\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 59904000

約数和(自身を除く): 34631000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 127, 199, 200, 250, 254, 398, 500, 508, 635, 796, 995, 1000, 1016, 1270, 1592, 1990, 2540, 3175, 3980, 4975, 5080, 6350, 7960, 9950, 12700, 15875, 19900, 24875, 25273, 25400, 31750, 39800, 49750, 50546, 63500, 99500, 101092, 126365, 127000, 199000, 202184, 252730, 505460, 631825, 1010920, 1263650, 2527300, 3159125, 5054600, 6318250, 12636500, 25273000]

約数ペア:

[(1, 25273000), (2, 12636500), (4, 6318250), (5, 5054600), (8, 3159125), (10, 2527300), (20, 1263650), (25, 1010920), (40, 631825), (50, 505460), (100, 252730), (125, 202184), (127, 199000), (199, 127000), (200, 126365), (250, 101092), (254, 99500), (398, 63500), (500, 50546), (508, 49750), (635, 39800), (796, 31750), (995, 25400), (1000, 25273), (1016, 24875), (1270, 19900), (1592, 15875), (1990, 12700), (2540, 9950), (3175, 7960), (3980, 6350), (4975, 5080)]