8991096880

素因数分解:

$2^4\times 5^1\times {\mathrm{8191}}^1\times {\mathrm{13721}}^1$

素因数の和:21925

約数の個数: 40

約数和(自身を含む): 20908376064

約数和(自身を除く): 11917279184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8191, 13721, 16382, 27442, 32764, 40955, 54884, 65528, 68605, 81910, 109768, 131056, 137210, 163820, 219536, 274420, 327640, 548840, 655280, 1097680, 112388711, 224777422, 449554844, 561943555, 899109688, 1123887110, 1798219376, 2247774220, 4495548440, 8991096880]

約数ペア:

[(1, 8991096880), (2, 4495548440), (4, 2247774220), (5, 1798219376), (8, 1123887110), (10, 899109688), (16, 561943555), (20, 449554844), (40, 224777422), (80, 112388711), (8191, 1097680), (13721, 655280), (16382, 548840), (27442, 327640), (32764, 274420), (40955, 219536), (54884, 163820), (65528, 137210), (68605, 131056), (81910, 109768)]