89619460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{640139}}^1$

素因数の和:640155

約数の個数: 24

約数和(自身を含む): 215087040

約数和(自身を除く): 125467580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 640139, 1280278, 2560556, 3200695, 4480973, 6401390, 8961946, 12802780, 17923892, 22404865, 44809730, 89619460]

約数ペア:

[(1, 89619460), (2, 44809730), (4, 22404865), (5, 17923892), (7, 12802780), (10, 8961946), (14, 6401390), (20, 4480973), (28, 3200695), (35, 2560556), (70, 1280278), (140, 640139)]