81208000

素因数分解:

$2^6\times 5^3\times {\mathrm{10151}}^1$

素因数の和:10178

約数の個数: 56

約数和(自身を含む): 201131424

約数和(自身を除く): 119923424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 10151, 20302, 40604, 50755, 81208, 101510, 162416, 203020, 253775, 324832, 406040, 507550, 649664, 812080, 1015100, 1268875, 1624160, 2030200, 2537750, 3248320, 4060400, 5075500, 8120800, 10151000, 16241600, 20302000, 40604000, 81208000]

約数ペア:

[(1, 81208000), (2, 40604000), (4, 20302000), (5, 16241600), (8, 10151000), (10, 8120800), (16, 5075500), (20, 4060400), (25, 3248320), (32, 2537750), (40, 2030200), (50, 1624160), (64, 1268875), (80, 1015100), (100, 812080), (125, 649664), (160, 507550), (200, 406040), (250, 324832), (320, 253775), (400, 203020), (500, 162416), (800, 101510), (1000, 81208), (1600, 50755), (2000, 40604), (4000, 20302), (8000, 10151)]