39477880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 100094400

約数和(自身を除く): 60616520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 79, 104, 124, 130, 155, 158, 248, 260, 310, 316, 395, 403, 520, 620, 632, 790, 806, 961, 1027, 1240, 1580, 1612, 1922, 2015, 2054, 2449, 3160, 3224, 3844, 4030, 4108, 4805, 4898, 5135, 7688, 8060, 8216, 9610, 9796, 10270, 12245, 12493, 16120, 19220, 19592, 20540, 24490, 24986, 31837, 38440, 41080, 48980, 49972, 62465, 63674, 75919, 97960, 99944, 124930, 127348, 151838, 159185, 249860, 254696, 303676, 318370, 379595, 499720, 607352, 636740, 759190, 986947, 1273480, 1518380, 1973894, 3036760, 3947788, 4934735, 7895576, 9869470, 19738940, 39477880]

約数ペア:

[(1, 39477880), (2, 19738940), (4, 9869470), (5, 7895576), (8, 4934735), (10, 3947788), (13, 3036760), (20, 1973894), (26, 1518380), (31, 1273480), (40, 986947), (52, 759190), (62, 636740), (65, 607352), (79, 499720), (104, 379595), (124, 318370), (130, 303676), (155, 254696), (158, 249860), (248, 159185), (260, 151838), (310, 127348), (316, 124930), (395, 99944), (403, 97960), (520, 75919), (620, 63674), (632, 62465), (790, 49972), (806, 48980), (961, 41080), (1027, 38440), (1240, 31837), (1580, 24986), (1612, 24490), (1922, 20540), (2015, 19592), (2054, 19220), (2449, 16120), (3160, 12493), (3224, 12245), (3844, 10270), (4030, 9796), (4108, 9610), (4805, 8216), (4898, 8060), (5135, 7688)]