125114420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{70289}}^1$

素因数の和:70387

約数の個数: 24

約数和(自身を含む): 265696200

約数和(自身を除く): 140581780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 70289, 140578, 281156, 351445, 702890, 1405780, 6255721, 12511442, 25022884, 31278605, 62557210, 125114420]

約数ペア:

[(1, 125114420), (2, 62557210), (4, 31278605), (5, 25022884), (10, 12511442), (20, 6255721), (89, 1405780), (178, 702890), (356, 351445), (445, 281156), (890, 140578), (1780, 70289)]