80964190

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{90971}}^1$

素因数の和:91067

約数の個数: 16

約数和(自身を含む): 147374640

約数和(自身を除く): 66410450

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 90971, 181942, 454855, 909710, 8096419, 16192838, 40482095, 80964190]

約数ペア:

[(1, 80964190), (2, 40482095), (5, 16192838), (10, 8096419), (89, 909710), (178, 454855), (445, 181942), (890, 90971)]