2005004144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{3761}}^1$

素因数の和:4026

約数の個数: 80

約数和(自身を含む): 4584644064

約数和(自身を除く): 2579639920

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 233, 286, 466, 572, 932, 1144, 1864, 2288, 2563, 3029, 3728, 3761, 5126, 6058, 7522, 10252, 12116, 15044, 20504, 24232, 30088, 33319, 41008, 41371, 48464, 48893, 60176, 66638, 82742, 97786, 133276, 165484, 195572, 266552, 330968, 391144, 533104, 537823, 661936, 782288, 876313, 1075646, 1752626, 2151292, 3505252, 4302584, 7010504, 8605168, 9639443, 11392069, 14021008, 19278886, 22784138, 38557772, 45568276, 77115544, 91136552, 125312759, 154231088, 182273104, 250625518, 501251036, 1002502072, 2005004144]

約数ペア:

[(1, 2005004144), (2, 1002502072), (4, 501251036), (8, 250625518), (11, 182273104), (13, 154231088), (16, 125312759), (22, 91136552), (26, 77115544), (44, 45568276), (52, 38557772), (88, 22784138), (104, 19278886), (143, 14021008), (176, 11392069), (208, 9639443), (233, 8605168), (286, 7010504), (466, 4302584), (572, 3505252), (932, 2151292), (1144, 1752626), (1864, 1075646), (2288, 876313), (2563, 782288), (3029, 661936), (3728, 537823), (3761, 533104), (5126, 391144), (6058, 330968), (7522, 266552), (10252, 195572), (12116, 165484), (15044, 133276), (20504, 97786), (24232, 82742), (30088, 66638), (33319, 60176), (41008, 48893), (41371, 48464)]