4001680

素因数分解:

$2^4\times 5^1\times {\mathrm{50021}}^1$

素因数の和:50034

約数の個数: 20

約数和(自身を含む): 9304092

約数和(自身を除く): 5302412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50021, 100042, 200084, 250105, 400168, 500210, 800336, 1000420, 2000840, 4001680]

約数ペア:

[(1, 4001680), (2, 2000840), (4, 1000420), (5, 800336), (8, 500210), (10, 400168), (16, 250105), (20, 200084), (40, 100042), (80, 50021)]