48940000

素因数分解:

$2^5\times 5^4\times {\mathrm{2447}}^1$

素因数の和:2477

約数の個数: 60

約数和(自身を含む): 120448944

約数和(自身を除く): 71508944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2447, 2500, 4000, 4894, 5000, 9788, 10000, 12235, 19576, 20000, 24470, 39152, 48940, 61175, 78304, 97880, 122350, 195760, 244700, 305875, 391520, 489400, 611750, 978800, 1223500, 1529375, 1957600, 2447000, 3058750, 4894000, 6117500, 9788000, 12235000, 24470000, 48940000]

約数ペア:

[(1, 48940000), (2, 24470000), (4, 12235000), (5, 9788000), (8, 6117500), (10, 4894000), (16, 3058750), (20, 2447000), (25, 1957600), (32, 1529375), (40, 1223500), (50, 978800), (80, 611750), (100, 489400), (125, 391520), (160, 305875), (200, 244700), (250, 195760), (400, 122350), (500, 97880), (625, 78304), (800, 61175), (1000, 48940), (1250, 39152), (2000, 24470), (2447, 20000), (2500, 19576), (4000, 12235), (4894, 10000), (5000, 9788)]