89449880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{179}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 225212400

約数和(自身を除く): 135762520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 179, 248, 260, 310, 358, 403, 520, 620, 716, 806, 895, 961, 1240, 1432, 1612, 1790, 1922, 2015, 2327, 3224, 3580, 3844, 4030, 4654, 4805, 5549, 7160, 7688, 8060, 9308, 9610, 11098, 11635, 12493, 16120, 18616, 19220, 22196, 23270, 24986, 27745, 38440, 44392, 46540, 49972, 55490, 62465, 72137, 93080, 99944, 110980, 124930, 144274, 172019, 221960, 249860, 288548, 344038, 360685, 499720, 577096, 688076, 721370, 860095, 1376152, 1442740, 1720190, 2236247, 2885480, 3440380, 4472494, 6880760, 8944988, 11181235, 17889976, 22362470, 44724940, 89449880]

約数ペア:

[(1, 89449880), (2, 44724940), (4, 22362470), (5, 17889976), (8, 11181235), (10, 8944988), (13, 6880760), (20, 4472494), (26, 3440380), (31, 2885480), (40, 2236247), (52, 1720190), (62, 1442740), (65, 1376152), (104, 860095), (124, 721370), (130, 688076), (155, 577096), (179, 499720), (248, 360685), (260, 344038), (310, 288548), (358, 249860), (403, 221960), (520, 172019), (620, 144274), (716, 124930), (806, 110980), (895, 99944), (961, 93080), (1240, 72137), (1432, 62465), (1612, 55490), (1790, 49972), (1922, 46540), (2015, 44392), (2327, 38440), (3224, 27745), (3580, 24986), (3844, 23270), (4030, 22196), (4654, 19220), (4805, 18616), (5549, 16120), (7160, 12493), (7688, 11635), (8060, 11098), (9308, 9610)]