40139708

素因数分解:

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

素因数の和:474

約数の個数: 48

約数和(自身を含む): 82994688

約数和(自身を除く): 42854980

約数列:

[1, 2, 4, 7, 14, 28, 61, 71, 122, 142, 244, 284, 331, 427, 497, 662, 854, 994, 1324, 1708, 1988, 2317, 4331, 4634, 8662, 9268, 17324, 20191, 23501, 30317, 40382, 47002, 60634, 80764, 94004, 121268, 141337, 164507, 282674, 329014, 565348, 658028, 1433561, 2867122, 5734244, 10034927, 20069854, 40139708]

約数ペア:

[(1, 40139708), (2, 20069854), (4, 10034927), (7, 5734244), (14, 2867122), (28, 1433561), (61, 658028), (71, 565348), (122, 329014), (142, 282674), (244, 164507), (284, 141337), (331, 121268), (427, 94004), (497, 80764), (662, 60634), (854, 47002), (994, 40382), (1324, 30317), (1708, 23501), (1988, 20191), (2317, 17324), (4331, 9268), (4634, 8662)]