80321872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 172703232

約数和(自身を除く): 92381360

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 61, 68, 94, 103, 122, 136, 188, 206, 244, 272, 376, 412, 488, 752, 799, 824, 976, 1037, 1598, 1648, 1751, 2074, 2867, 3196, 3502, 4148, 4841, 5734, 6283, 6392, 7004, 8296, 9682, 11468, 12566, 12784, 14008, 16592, 19364, 22936, 25132, 28016, 38728, 45872, 48739, 50264, 77456, 82297, 97478, 100528, 106811, 164594, 194956, 213622, 295301, 329188, 389912, 427244, 590602, 658376, 779824, 854488, 1181204, 1316752, 1708976, 2362408, 4724816, 5020117, 10040234, 20080468, 40160936, 80321872]

約数ペア:

[(1, 80321872), (2, 40160936), (4, 20080468), (8, 10040234), (16, 5020117), (17, 4724816), (34, 2362408), (47, 1708976), (61, 1316752), (68, 1181204), (94, 854488), (103, 779824), (122, 658376), (136, 590602), (188, 427244), (206, 389912), (244, 329188), (272, 295301), (376, 213622), (412, 194956), (488, 164594), (752, 106811), (799, 100528), (824, 97478), (976, 82297), (1037, 77456), (1598, 50264), (1648, 48739), (1751, 45872), (2074, 38728), (2867, 28016), (3196, 25132), (3502, 22936), (4148, 19364), (4841, 16592), (5734, 14008), (6283, 12784), (6392, 12566), (7004, 11468), (8296, 9682)]