7157380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4021}}^1$

素因数の和:4119

約数の個数: 24

約数和(自身を含む): 15203160

約数和(自身を除く): 8045780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 4021, 8042, 16084, 20105, 40210, 80420, 357869, 715738, 1431476, 1789345, 3578690, 7157380]

約数ペア:

[(1, 7157380), (2, 3578690), (4, 1789345), (5, 1431476), (10, 715738), (20, 357869), (89, 80420), (178, 40210), (356, 20105), (445, 16084), (890, 8042), (1780, 4021)]