11890840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1759}}^1$

素因数の和:1796

約数の個数: 48

約数和(自身を含む): 28987200

約数和(自身を除く): 17096360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 1759, 3380, 3518, 6760, 7036, 8795, 14072, 17590, 22867, 35180, 45734, 70360, 91468, 114335, 182936, 228670, 297271, 457340, 594542, 914680, 1189084, 1486355, 2378168, 2972710, 5945420, 11890840]

約数ペア:

[(1, 11890840), (2, 5945420), (4, 2972710), (5, 2378168), (8, 1486355), (10, 1189084), (13, 914680), (20, 594542), (26, 457340), (40, 297271), (52, 228670), (65, 182936), (104, 114335), (130, 91468), (169, 70360), (260, 45734), (338, 35180), (520, 22867), (676, 17590), (845, 14072), (1352, 8795), (1690, 7036), (1759, 6760), (3380, 3518)]