25708760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 76515840

約数和(自身を除く): 50807080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 374, 385, 440, 476, 491, 595, 616, 680, 748, 770, 935, 952, 982, 1190, 1309, 1496, 1540, 1870, 1964, 2380, 2455, 2618, 3080, 3437, 3740, 3928, 4760, 4910, 5236, 5401, 6545, 6874, 7480, 8347, 9820, 10472, 10802, 13090, 13748, 16694, 17185, 19640, 21604, 26180, 27005, 27496, 33388, 34370, 37807, 41735, 43208, 52360, 54010, 58429, 66776, 68740, 75614, 83470, 91817, 108020, 116858, 137480, 151228, 166940, 183634, 189035, 216040, 233716, 292145, 302456, 333880, 367268, 378070, 459085, 467432, 584290, 642719, 734536, 756140, 918170, 1168580, 1285438, 1512280, 1836340, 2337160, 2570876, 3213595, 3672680, 5141752, 6427190, 12854380, 25708760]

約数ペア:

[(1, 25708760), (2, 12854380), (4, 6427190), (5, 5141752), (7, 3672680), (8, 3213595), (10, 2570876), (11, 2337160), (14, 1836340), (17, 1512280), (20, 1285438), (22, 1168580), (28, 918170), (34, 756140), (35, 734536), (40, 642719), (44, 584290), (55, 467432), (56, 459085), (68, 378070), (70, 367268), (77, 333880), (85, 302456), (88, 292145), (110, 233716), (119, 216040), (136, 189035), (140, 183634), (154, 166940), (170, 151228), (187, 137480), (220, 116858), (238, 108020), (280, 91817), (308, 83470), (340, 75614), (374, 68740), (385, 66776), (440, 58429), (476, 54010), (491, 52360), (595, 43208), (616, 41735), (680, 37807), (748, 34370), (770, 33388), (935, 27496), (952, 27005), (982, 26180), (1190, 21604), (1309, 19640), (1496, 17185), (1540, 16694), (1870, 13748), (1964, 13090), (2380, 10802), (2455, 10472), (2618, 9820), (3080, 8347), (3437, 7480), (3740, 6874), (3928, 6545), (4760, 5401), (4910, 5236)]