12559000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:701

約数の個数: 64

約数和(自身を含む): 30981600

約数和(自身を除く): 18422600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 661, 760, 950, 1000, 1322, 1900, 2375, 2644, 3305, 3800, 4750, 5288, 6610, 9500, 12559, 13220, 16525, 19000, 25118, 26440, 33050, 50236, 62795, 66100, 82625, 100472, 125590, 132200, 165250, 251180, 313975, 330500, 502360, 627950, 661000, 1255900, 1569875, 2511800, 3139750, 6279500, 12559000]

約数ペア:

[(1, 12559000), (2, 6279500), (4, 3139750), (5, 2511800), (8, 1569875), (10, 1255900), (19, 661000), (20, 627950), (25, 502360), (38, 330500), (40, 313975), (50, 251180), (76, 165250), (95, 132200), (100, 125590), (125, 100472), (152, 82625), (190, 66100), (200, 62795), (250, 50236), (380, 33050), (475, 26440), (500, 25118), (661, 19000), (760, 16525), (950, 13220), (1000, 12559), (1322, 9500), (1900, 6610), (2375, 5288), (2644, 4750), (3305, 3800)]