27481220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5563}}^1$

素因数の和:5604

約数の個数: 48

約数和(自身を含む): 65432640

約数和(自身を除く): 37951420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 5563, 11126, 22252, 27815, 55630, 72319, 105697, 111260, 144638, 211394, 289276, 361595, 422788, 528485, 723190, 1056970, 1374061, 1446380, 2113940, 2748122, 5496244, 6870305, 13740610, 27481220]

約数ペア:

[(1, 27481220), (2, 13740610), (4, 6870305), (5, 5496244), (10, 2748122), (13, 2113940), (19, 1446380), (20, 1374061), (26, 1056970), (38, 723190), (52, 528485), (65, 422788), (76, 361595), (95, 289276), (130, 211394), (190, 144638), (247, 111260), (260, 105697), (380, 72319), (494, 55630), (988, 27815), (1235, 22252), (2470, 11126), (4940, 5563)]