5174000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:235

約数の個数: 80

約数和(自身を含む): 13540800

約数和(自身を除く): 8366800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 199, 200, 208, 250, 260, 325, 398, 400, 500, 520, 650, 796, 995, 1000, 1040, 1300, 1592, 1625, 1990, 2000, 2587, 2600, 3184, 3250, 3980, 4975, 5174, 5200, 6500, 7960, 9950, 10348, 12935, 13000, 15920, 19900, 20696, 24875, 25870, 26000, 39800, 41392, 49750, 51740, 64675, 79600, 99500, 103480, 129350, 199000, 206960, 258700, 323375, 398000, 517400, 646750, 1034800, 1293500, 2587000, 5174000]

約数ペア:

[(1, 5174000), (2, 2587000), (4, 1293500), (5, 1034800), (8, 646750), (10, 517400), (13, 398000), (16, 323375), (20, 258700), (25, 206960), (26, 199000), (40, 129350), (50, 103480), (52, 99500), (65, 79600), (80, 64675), (100, 51740), (104, 49750), (125, 41392), (130, 39800), (199, 26000), (200, 25870), (208, 24875), (250, 20696), (260, 19900), (325, 15920), (398, 13000), (400, 12935), (500, 10348), (520, 9950), (650, 7960), (796, 6500), (995, 5200), (1000, 5174), (1040, 4975), (1300, 3980), (1592, 3250), (1625, 3184), (1990, 2600), (2000, 2587)]