29091920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2543}}^1$

素因数の和:2580

約数の個数: 80

約数和(自身を含む): 79494912

約数和(自身を除く): 50402992

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2543, 2860, 5086, 5720, 10172, 11440, 12715, 20344, 25430, 27973, 33059, 40688, 50860, 55946, 66118, 101720, 111892, 132236, 139865, 165295, 203440, 223784, 264472, 279730, 330590, 363649, 447568, 528944, 559460, 661180, 727298, 1118920, 1322360, 1454596, 1818245, 2237840, 2644720, 2909192, 3636490, 5818384, 7272980, 14545960, 29091920]

約数ペア:

[(1, 29091920), (2, 14545960), (4, 7272980), (5, 5818384), (8, 3636490), (10, 2909192), (11, 2644720), (13, 2237840), (16, 1818245), (20, 1454596), (22, 1322360), (26, 1118920), (40, 727298), (44, 661180), (52, 559460), (55, 528944), (65, 447568), (80, 363649), (88, 330590), (104, 279730), (110, 264472), (130, 223784), (143, 203440), (176, 165295), (208, 139865), (220, 132236), (260, 111892), (286, 101720), (440, 66118), (520, 55946), (572, 50860), (715, 40688), (880, 33059), (1040, 27973), (1144, 25430), (1430, 20344), (2288, 12715), (2543, 11440), (2860, 10172), (5086, 5720)]