40580980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 96190920

約数和(自身を除く): 55609940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 121, 164, 205, 220, 242, 409, 410, 451, 484, 605, 818, 820, 902, 1210, 1636, 1804, 2045, 2255, 2420, 4090, 4499, 4510, 4961, 8180, 8998, 9020, 9922, 16769, 17996, 19844, 22495, 24805, 33538, 44990, 49489, 49610, 67076, 83845, 89980, 98978, 99220, 167690, 184459, 197956, 247445, 335380, 368918, 494890, 737836, 922295, 989780, 1844590, 2029049, 3689180, 4058098, 8116196, 10145245, 20290490, 40580980]

約数ペア:

[(1, 40580980), (2, 20290490), (4, 10145245), (5, 8116196), (10, 4058098), (11, 3689180), (20, 2029049), (22, 1844590), (41, 989780), (44, 922295), (55, 737836), (82, 494890), (110, 368918), (121, 335380), (164, 247445), (205, 197956), (220, 184459), (242, 167690), (409, 99220), (410, 98978), (451, 89980), (484, 83845), (605, 67076), (818, 49610), (820, 49489), (902, 44990), (1210, 33538), (1636, 24805), (1804, 22495), (2045, 19844), (2255, 17996), (2420, 16769), (4090, 9922), (4499, 9020), (4510, 8998), (4961, 8180)]