49685680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:586

約数の個数: 80

約数和(自身を含む): 127277568

約数和(自身を除く): 77591888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 131, 176, 220, 262, 431, 440, 524, 655, 862, 880, 1048, 1310, 1441, 1724, 2096, 2155, 2620, 2882, 3448, 4310, 4741, 5240, 5764, 6896, 7205, 8620, 9482, 10480, 11528, 14410, 17240, 18964, 23056, 23705, 28820, 34480, 37928, 47410, 56461, 57640, 75856, 94820, 112922, 115280, 189640, 225844, 282305, 379280, 451688, 564610, 621071, 903376, 1129220, 1242142, 2258440, 2484284, 3105355, 4516880, 4968568, 6210710, 9937136, 12421420, 24842840, 49685680]

約数ペア:

[(1, 49685680), (2, 24842840), (4, 12421420), (5, 9937136), (8, 6210710), (10, 4968568), (11, 4516880), (16, 3105355), (20, 2484284), (22, 2258440), (40, 1242142), (44, 1129220), (55, 903376), (80, 621071), (88, 564610), (110, 451688), (131, 379280), (176, 282305), (220, 225844), (262, 189640), (431, 115280), (440, 112922), (524, 94820), (655, 75856), (862, 57640), (880, 56461), (1048, 47410), (1310, 37928), (1441, 34480), (1724, 28820), (2096, 23705), (2155, 23056), (2620, 18964), (2882, 17240), (3448, 14410), (4310, 11528), (4741, 10480), (5240, 9482), (5764, 8620), (6896, 7205)]