28217680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9533}}^1$

素因数の和:9583

約数の個数: 40

約数和(自身を含む): 67386312

約数和(自身を除く): 39168632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 9533, 19066, 38132, 47665, 76264, 95330, 152528, 190660, 352721, 381320, 705442, 762640, 1410884, 1763605, 2821768, 3527210, 5643536, 7054420, 14108840, 28217680]

約数ペア:

[(1, 28217680), (2, 14108840), (4, 7054420), (5, 5643536), (8, 3527210), (10, 2821768), (16, 1763605), (20, 1410884), (37, 762640), (40, 705442), (74, 381320), (80, 352721), (148, 190660), (185, 152528), (296, 95330), (370, 76264), (592, 47665), (740, 38132), (1480, 19066), (2960, 9533)]