25573000

素因数分解:

$2^3\times 5^3\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 60652800

約数和(自身を除く): 35079800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 125, 200, 214, 239, 250, 428, 478, 500, 535, 856, 956, 1000, 1070, 1195, 1912, 2140, 2390, 2675, 4280, 4780, 5350, 5975, 9560, 10700, 11950, 13375, 21400, 23900, 25573, 26750, 29875, 47800, 51146, 53500, 59750, 102292, 107000, 119500, 127865, 204584, 239000, 255730, 511460, 639325, 1022920, 1278650, 2557300, 3196625, 5114600, 6393250, 12786500, 25573000]

約数ペア:

[(1, 25573000), (2, 12786500), (4, 6393250), (5, 5114600), (8, 3196625), (10, 2557300), (20, 1278650), (25, 1022920), (40, 639325), (50, 511460), (100, 255730), (107, 239000), (125, 204584), (200, 127865), (214, 119500), (239, 107000), (250, 102292), (428, 59750), (478, 53500), (500, 51146), (535, 47800), (856, 29875), (956, 26750), (1000, 25573), (1070, 23900), (1195, 21400), (1912, 13375), (2140, 11950), (2390, 10700), (2675, 9560), (4280, 5975), (4780, 5350)]