25118000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:703

約数の個数: 80

約数和(自身を含む): 64028640

約数和(自身を除く): 38910640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 304, 380, 400, 475, 500, 661, 760, 950, 1000, 1322, 1520, 1900, 2000, 2375, 2644, 3305, 3800, 4750, 5288, 6610, 7600, 9500, 10576, 12559, 13220, 16525, 19000, 25118, 26440, 33050, 38000, 50236, 52880, 62795, 66100, 82625, 100472, 125590, 132200, 165250, 200944, 251180, 264400, 313975, 330500, 502360, 627950, 661000, 1004720, 1255900, 1322000, 1569875, 2511800, 3139750, 5023600, 6279500, 12559000, 25118000]

約数ペア:

[(1, 25118000), (2, 12559000), (4, 6279500), (5, 5023600), (8, 3139750), (10, 2511800), (16, 1569875), (19, 1322000), (20, 1255900), (25, 1004720), (38, 661000), (40, 627950), (50, 502360), (76, 330500), (80, 313975), (95, 264400), (100, 251180), (125, 200944), (152, 165250), (190, 132200), (200, 125590), (250, 100472), (304, 82625), (380, 66100), (400, 62795), (475, 52880), (500, 50236), (661, 38000), (760, 33050), (950, 26440), (1000, 25118), (1322, 19000), (1520, 16525), (1900, 13220), (2000, 12559), (2375, 10576), (2644, 9500), (3305, 7600), (3800, 6610), (4750, 5288)]