89611280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1392

約数の個数: 80

約数和(自身を含む): 230342400

約数和(自身を除く): 140731120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 632, 790, 869, 880, 1264, 1289, 1580, 1738, 2578, 3160, 3476, 4345, 5156, 6320, 6445, 6952, 8690, 10312, 12890, 13904, 14179, 17380, 20624, 25780, 28358, 34760, 51560, 56716, 69520, 70895, 101831, 103120, 113432, 141790, 203662, 226864, 283580, 407324, 509155, 567160, 814648, 1018310, 1120141, 1134320, 1629296, 2036620, 2240282, 4073240, 4480564, 5600705, 8146480, 8961128, 11201410, 17922256, 22402820, 44805640, 89611280]

約数ペア:

[(1, 89611280), (2, 44805640), (4, 22402820), (5, 17922256), (8, 11201410), (10, 8961128), (11, 8146480), (16, 5600705), (20, 4480564), (22, 4073240), (40, 2240282), (44, 2036620), (55, 1629296), (79, 1134320), (80, 1120141), (88, 1018310), (110, 814648), (158, 567160), (176, 509155), (220, 407324), (316, 283580), (395, 226864), (440, 203662), (632, 141790), (790, 113432), (869, 103120), (880, 101831), (1264, 70895), (1289, 69520), (1580, 56716), (1738, 51560), (2578, 34760), (3160, 28358), (3476, 25780), (4345, 20624), (5156, 17380), (6320, 14179), (6445, 13904), (6952, 12890), (8690, 10312)]