797190640

素因数分解:

$2^4\times 5^1\times {\mathrm{9964883}}^1$

素因数の和:9964896

約数の個数: 20

約数和(自身を含む): 1853468424

約数和(自身を除く): 1056277784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9964883, 19929766, 39859532, 49824415, 79719064, 99648830, 159438128, 199297660, 398595320, 797190640]

約数ペア:

[(1, 797190640), (2, 398595320), (4, 199297660), (5, 159438128), (8, 99648830), (10, 79719064), (16, 49824415), (20, 39859532), (40, 19929766), (80, 9964883)]