20126889250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1\times {\mathrm{283}}^1$

素因数の和:669

約数の個数: 128

約数和(自身を含む): 41383480320

約数和(自身を除く): 21256591070

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 125, 130, 158, 250, 277, 283, 325, 395, 554, 566, 650, 790, 1027, 1385, 1415, 1625, 1975, 2054, 2770, 2830, 3250, 3601, 3679, 3950, 5135, 6925, 7075, 7202, 7358, 9875, 10270, 13850, 14150, 18005, 18395, 19750, 21883, 22357, 25675, 34625, 35375, 36010, 36790, 43766, 44714, 51350, 69250, 70750, 78391, 90025, 91975, 109415, 111785, 128375, 156782, 180050, 183950, 218830, 223570, 256750, 284479, 290641, 391955, 450125, 459875, 547075, 558925, 568958, 581282, 783910, 900250, 919750, 1019083, 1094150, 1117850, 1422395, 1453205, 1959775, 2038166, 2735375, 2794625, 2844790, 2906410, 3919550, 5095415, 5470750, 5589250, 6192889, 7111975, 7266025, 9798875, 10190830, 12385778, 14223950, 14532050, 19597750, 25477075, 30964445, 35559875, 36330125, 50954150, 61928890, 71119750, 72660250, 80507557, 127385375, 154822225, 161015114, 254770750, 309644450, 402537785, 774111125, 805075570, 1548222250, 2012688925, 4025377850, 10063444625, 20126889250]

約数ペア:

[(1, 20126889250), (2, 10063444625), (5, 4025377850), (10, 2012688925), (13, 1548222250), (25, 805075570), (26, 774111125), (50, 402537785), (65, 309644450), (79, 254770750), (125, 161015114), (130, 154822225), (158, 127385375), (250, 80507557), (277, 72660250), (283, 71119750), (325, 61928890), (395, 50954150), (554, 36330125), (566, 35559875), (650, 30964445), (790, 25477075), (1027, 19597750), (1385, 14532050), (1415, 14223950), (1625, 12385778), (1975, 10190830), (2054, 9798875), (2770, 7266025), (2830, 7111975), (3250, 6192889), (3601, 5589250), (3679, 5470750), (3950, 5095415), (5135, 3919550), (6925, 2906410), (7075, 2844790), (7202, 2794625), (7358, 2735375), (9875, 2038166), (10270, 1959775), (13850, 1453205), (14150, 1422395), (18005, 1117850), (18395, 1094150), (19750, 1019083), (21883, 919750), (22357, 900250), (25675, 783910), (34625, 581282), (35375, 568958), (36010, 558925), (36790, 547075), (43766, 459875), (44714, 450125), (51350, 391955), (69250, 290641), (70750, 284479), (78391, 256750), (90025, 223570), (91975, 218830), (109415, 183950), (111785, 180050), (128375, 156782)]