28066720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 74462976

約数和(自身を除く): 46396256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 74, 80, 88, 110, 148, 160, 176, 185, 220, 296, 352, 370, 407, 431, 440, 592, 740, 814, 862, 880, 1184, 1480, 1628, 1724, 1760, 2035, 2155, 2960, 3256, 3448, 4070, 4310, 4741, 5920, 6512, 6896, 8140, 8620, 9482, 13024, 13792, 15947, 16280, 17240, 18964, 23705, 31894, 32560, 34480, 37928, 47410, 63788, 65120, 68960, 75856, 79735, 94820, 127576, 151712, 159470, 175417, 189640, 255152, 318940, 350834, 379280, 510304, 637880, 701668, 758560, 877085, 1275760, 1403336, 1754170, 2551520, 2806672, 3508340, 5613344, 7016680, 14033360, 28066720]

約数ペア:

[(1, 28066720), (2, 14033360), (4, 7016680), (5, 5613344), (8, 3508340), (10, 2806672), (11, 2551520), (16, 1754170), (20, 1403336), (22, 1275760), (32, 877085), (37, 758560), (40, 701668), (44, 637880), (55, 510304), (74, 379280), (80, 350834), (88, 318940), (110, 255152), (148, 189640), (160, 175417), (176, 159470), (185, 151712), (220, 127576), (296, 94820), (352, 79735), (370, 75856), (407, 68960), (431, 65120), (440, 63788), (592, 47410), (740, 37928), (814, 34480), (862, 32560), (880, 31894), (1184, 23705), (1480, 18964), (1628, 17240), (1724, 16280), (1760, 15947), (2035, 13792), (2155, 13024), (2960, 9482), (3256, 8620), (3448, 8140), (4070, 6896), (4310, 6512), (4741, 5920)]