80279416

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 177845760

約数和(自身を除く): 97566344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 71, 122, 142, 244, 284, 331, 427, 488, 497, 568, 662, 854, 994, 1324, 1708, 1988, 2317, 2648, 3416, 3976, 4331, 4634, 8662, 9268, 17324, 18536, 20191, 23501, 30317, 34648, 40382, 47002, 60634, 80764, 94004, 121268, 141337, 161528, 164507, 188008, 242536, 282674, 329014, 565348, 658028, 1130696, 1316056, 1433561, 2867122, 5734244, 10034927, 11468488, 20069854, 40139708, 80279416]

約数ペア:

[(1, 80279416), (2, 40139708), (4, 20069854), (7, 11468488), (8, 10034927), (14, 5734244), (28, 2867122), (56, 1433561), (61, 1316056), (71, 1130696), (122, 658028), (142, 565348), (244, 329014), (284, 282674), (331, 242536), (427, 188008), (488, 164507), (497, 161528), (568, 141337), (662, 121268), (854, 94004), (994, 80764), (1324, 60634), (1708, 47002), (1988, 40382), (2317, 34648), (2648, 30317), (3416, 23501), (3976, 20191), (4331, 18536), (4634, 17324), (8662, 9268)]