9921680

素因数分解:

$2^4\times 5^1\times {\mathrm{124021}}^1$

素因数の和:124034

約数の個数: 20

約数和(自身を含む): 23068092

約数和(自身を除く): 13146412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124021, 248042, 496084, 620105, 992168, 1240210, 1984336, 2480420, 4960840, 9921680]

約数ペア:

[(1, 9921680), (2, 4960840), (4, 2480420), (5, 1984336), (8, 1240210), (10, 992168), (16, 620105), (20, 496084), (40, 248042), (80, 124021)]