140337280

素因数分解:

$2^7\times 5^1\times {\mathrm{219277}}^1$

素因数の和:219296

約数の個数: 32

約数和(自身を含む): 335495340

約数和(自身を除く): 195158060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 219277, 438554, 877108, 1096385, 1754216, 2192770, 3508432, 4385540, 7016864, 8771080, 14033728, 17542160, 28067456, 35084320, 70168640, 140337280]

約数ペア:

[(1, 140337280), (2, 70168640), (4, 35084320), (5, 28067456), (8, 17542160), (10, 14033728), (16, 8771080), (20, 7016864), (32, 4385540), (40, 3508432), (64, 2192770), (80, 1754216), (128, 1096385), (160, 877108), (320, 438554), (640, 219277)]