17967840020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{21179}}^1$

素因数の和:21465

約数の個数: 72

約数和(自身を含む): 41022948960

約数和(自身を除く): 23055108940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 251, 260, 338, 502, 676, 845, 1004, 1255, 1690, 2510, 3263, 3380, 5020, 6526, 13052, 16315, 21179, 32630, 42358, 42419, 65260, 84716, 84838, 105895, 169676, 211790, 212095, 275327, 423580, 424190, 550654, 848380, 1101308, 1376635, 2753270, 3579251, 5315929, 5506540, 7158502, 10631858, 14317004, 17896255, 21263716, 26579645, 35792510, 53159290, 69107077, 71585020, 106318580, 138214154, 276428308, 345535385, 691070770, 898392001, 1382141540, 1796784002, 3593568004, 4491960005, 8983920010, 17967840020]

約数ペア:

[(1, 17967840020), (2, 8983920010), (4, 4491960005), (5, 3593568004), (10, 1796784002), (13, 1382141540), (20, 898392001), (26, 691070770), (52, 345535385), (65, 276428308), (130, 138214154), (169, 106318580), (251, 71585020), (260, 69107077), (338, 53159290), (502, 35792510), (676, 26579645), (845, 21263716), (1004, 17896255), (1255, 14317004), (1690, 10631858), (2510, 7158502), (3263, 5506540), (3380, 5315929), (5020, 3579251), (6526, 2753270), (13052, 1376635), (16315, 1101308), (21179, 848380), (32630, 550654), (42358, 424190), (42419, 423580), (65260, 275327), (84716, 212095), (84838, 211790), (105895, 169676)]