25145000

素因数分解:

$2^3\times 5^4\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 60730560

約数和(自身を除く): 35585560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 107, 125, 188, 200, 214, 235, 250, 376, 428, 470, 500, 535, 625, 856, 940, 1000, 1070, 1175, 1250, 1880, 2140, 2350, 2500, 2675, 4280, 4700, 5000, 5029, 5350, 5875, 9400, 10058, 10700, 11750, 13375, 20116, 21400, 23500, 25145, 26750, 29375, 40232, 47000, 50290, 53500, 58750, 66875, 100580, 107000, 117500, 125725, 133750, 201160, 235000, 251450, 267500, 502900, 535000, 628625, 1005800, 1257250, 2514500, 3143125, 5029000, 6286250, 12572500, 25145000]

約数ペア:

[(1, 25145000), (2, 12572500), (4, 6286250), (5, 5029000), (8, 3143125), (10, 2514500), (20, 1257250), (25, 1005800), (40, 628625), (47, 535000), (50, 502900), (94, 267500), (100, 251450), (107, 235000), (125, 201160), (188, 133750), (200, 125725), (214, 117500), (235, 107000), (250, 100580), (376, 66875), (428, 58750), (470, 53500), (500, 50290), (535, 47000), (625, 40232), (856, 29375), (940, 26750), (1000, 25145), (1070, 23500), (1175, 21400), (1250, 20116), (1880, 13375), (2140, 11750), (2350, 10700), (2500, 10058), (2675, 9400), (4280, 5875), (4700, 5350), (5000, 5029)]