18079087760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{134437}}^1$

素因数の和:134532

約数の個数: 60

約数和(自身を含む): 43084421364

約数和(自身を除く): 25005333604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 1681, 3280, 3362, 6724, 8405, 13448, 16810, 26896, 33620, 67240, 134437, 134480, 268874, 537748, 672185, 1075496, 1344370, 2150992, 2688740, 5377480, 5511917, 10754960, 11023834, 22047668, 27559585, 44095336, 55119170, 88190672, 110238340, 220476680, 225988597, 440953360, 451977194, 903954388, 1129942985, 1807908776, 2259885970, 3615817552, 4519771940, 9039543880, 18079087760]

約数ペア:

[(1, 18079087760), (2, 9039543880), (4, 4519771940), (5, 3615817552), (8, 2259885970), (10, 1807908776), (16, 1129942985), (20, 903954388), (40, 451977194), (41, 440953360), (80, 225988597), (82, 220476680), (164, 110238340), (205, 88190672), (328, 55119170), (410, 44095336), (656, 27559585), (820, 22047668), (1640, 11023834), (1681, 10754960), (3280, 5511917), (3362, 5377480), (6724, 2688740), (8405, 2150992), (13448, 1344370), (16810, 1075496), (26896, 672185), (33620, 537748), (67240, 268874), (134437, 134480)]