15691044920

素因数分解:

$2^3\times 5^1\times {\mathrm{2447}}^1\times {\mathrm{160309}}^1$

素因数の和:162767

約数の個数: 32

約数和(自身を含む): 35319499200

約数和(自身を除く): 19628454280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2447, 4894, 9788, 12235, 19576, 24470, 48940, 97880, 160309, 320618, 641236, 801545, 1282472, 1603090, 3206180, 6412360, 392276123, 784552246, 1569104492, 1961380615, 3138208984, 3922761230, 7845522460, 15691044920]

約数ペア:

[(1, 15691044920), (2, 7845522460), (4, 3922761230), (5, 3138208984), (8, 1961380615), (10, 1569104492), (20, 784552246), (40, 392276123), (2447, 6412360), (4894, 3206180), (9788, 1603090), (12235, 1282472), (19576, 801545), (24470, 641236), (48940, 320618), (97880, 160309)]