26864240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1987}}^1$

素因数の和:2026

約数の個数: 60

約数和(自身を含む): 67667544

約数和(自身を除く): 40803304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 1987, 2704, 3380, 3974, 6760, 7948, 9935, 13520, 15896, 19870, 25831, 31792, 39740, 51662, 79480, 103324, 129155, 158960, 206648, 258310, 335803, 413296, 516620, 671606, 1033240, 1343212, 1679015, 2066480, 2686424, 3358030, 5372848, 6716060, 13432120, 26864240]

約数ペア:

[(1, 26864240), (2, 13432120), (4, 6716060), (5, 5372848), (8, 3358030), (10, 2686424), (13, 2066480), (16, 1679015), (20, 1343212), (26, 1033240), (40, 671606), (52, 516620), (65, 413296), (80, 335803), (104, 258310), (130, 206648), (169, 158960), (208, 129155), (260, 103324), (338, 79480), (520, 51662), (676, 39740), (845, 31792), (1040, 25831), (1352, 19870), (1690, 15896), (1987, 13520), (2704, 9935), (3380, 7948), (3974, 6760)]