2587000

素因数分解:

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

素因数の和:233

約数の個数: 64

約数和(自身を含む): 6552000

約数和(自身を除く): 3965000

約数列:

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

約数ペア:

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