20186345080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{5623}}^1$

素因数の和:5885

約数の個数: 128

約数和(自身を含む): 51020928000

約数和(自身を除く): 30834582920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 199, 205, 220, 328, 398, 410, 440, 451, 796, 820, 902, 995, 1592, 1640, 1804, 1990, 2189, 2255, 3608, 3980, 4378, 4510, 5623, 7960, 8159, 8756, 9020, 10945, 11246, 16318, 17512, 18040, 21890, 22492, 28115, 32636, 40795, 43780, 44984, 56230, 61853, 65272, 81590, 87560, 89749, 112460, 123706, 163180, 179498, 224920, 230543, 247412, 309265, 326360, 358996, 448745, 461086, 494824, 618530, 717992, 897490, 922172, 1118977, 1152715, 1237060, 1794980, 1844344, 2237954, 2305430, 2474120, 2535973, 3589960, 4475908, 4610860, 5071946, 5594885, 8951816, 9221720, 10143892, 11189770, 12308747, 12679865, 20287784, 22379540, 24617494, 25359730, 44759080, 45878057, 49234988, 50719460, 61543735, 91756114, 98469976, 101438920, 123087470, 183512228, 229390285, 246174940, 367024456, 458780570, 492349880, 504658627, 917561140, 1009317254, 1835122280, 2018634508, 2523293135, 4037269016, 5046586270, 10093172540, 20186345080]

約数ペア:

[(1, 20186345080), (2, 10093172540), (4, 5046586270), (5, 4037269016), (8, 2523293135), (10, 2018634508), (11, 1835122280), (20, 1009317254), (22, 917561140), (40, 504658627), (41, 492349880), (44, 458780570), (55, 367024456), (82, 246174940), (88, 229390285), (110, 183512228), (164, 123087470), (199, 101438920), (205, 98469976), (220, 91756114), (328, 61543735), (398, 50719460), (410, 49234988), (440, 45878057), (451, 44759080), (796, 25359730), (820, 24617494), (902, 22379540), (995, 20287784), (1592, 12679865), (1640, 12308747), (1804, 11189770), (1990, 10143892), (2189, 9221720), (2255, 8951816), (3608, 5594885), (3980, 5071946), (4378, 4610860), (4510, 4475908), (5623, 3589960), (7960, 2535973), (8159, 2474120), (8756, 2305430), (9020, 2237954), (10945, 1844344), (11246, 1794980), (16318, 1237060), (17512, 1152715), (18040, 1118977), (21890, 922172), (22492, 897490), (28115, 717992), (32636, 618530), (40795, 494824), (43780, 461086), (44984, 448745), (56230, 358996), (61853, 326360), (65272, 309265), (81590, 247412), (87560, 230543), (89749, 224920), (112460, 179498), (123706, 163180)]