28909760

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:262

約数の個数: 112

約数和(自身を含む): 77248512

約数和(自身を除く): 48338752

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 160, 172, 176, 191, 215, 220, 320, 344, 352, 382, 430, 440, 473, 688, 704, 764, 860, 880, 946, 955, 1376, 1528, 1720, 1760, 1892, 1910, 2101, 2365, 2752, 3056, 3440, 3520, 3784, 3820, 4202, 4730, 6112, 6880, 7568, 7640, 8213, 8404, 9460, 10505, 12224, 13760, 15136, 15280, 16426, 16808, 18920, 21010, 30272, 30560, 32852, 33616, 37840, 41065, 42020, 61120, 65704, 67232, 75680, 82130, 84040, 90343, 131408, 134464, 151360, 164260, 168080, 180686, 262816, 328520, 336160, 361372, 451715, 525632, 657040, 672320, 722744, 903430, 1314080, 1445488, 1806860, 2628160, 2890976, 3613720, 5781952, 7227440, 14454880, 28909760]

約数ペア:

[(1, 28909760), (2, 14454880), (4, 7227440), (5, 5781952), (8, 3613720), (10, 2890976), (11, 2628160), (16, 1806860), (20, 1445488), (22, 1314080), (32, 903430), (40, 722744), (43, 672320), (44, 657040), (55, 525632), (64, 451715), (80, 361372), (86, 336160), (88, 328520), (110, 262816), (160, 180686), (172, 168080), (176, 164260), (191, 151360), (215, 134464), (220, 131408), (320, 90343), (344, 84040), (352, 82130), (382, 75680), (430, 67232), (440, 65704), (473, 61120), (688, 42020), (704, 41065), (764, 37840), (860, 33616), (880, 32852), (946, 30560), (955, 30272), (1376, 21010), (1528, 18920), (1720, 16808), (1760, 16426), (1892, 15280), (1910, 15136), (2101, 13760), (2365, 12224), (2752, 10505), (3056, 9460), (3440, 8404), (3520, 8213), (3784, 7640), (3820, 7568), (4202, 6880), (4730, 6112)]