7726940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 17696448

約数和(自身を除く): 9969508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 263, 452, 526, 565, 1052, 1130, 1315, 1469, 2260, 2630, 2938, 3419, 5260, 5876, 6838, 7345, 13676, 14690, 17095, 29380, 29719, 34190, 59438, 68380, 118876, 148595, 297190, 386347, 594380, 772694, 1545388, 1931735, 3863470, 7726940]

約数ペア:

[(1, 7726940), (2, 3863470), (4, 1931735), (5, 1545388), (10, 772694), (13, 594380), (20, 386347), (26, 297190), (52, 148595), (65, 118876), (113, 68380), (130, 59438), (226, 34190), (260, 29719), (263, 29380), (452, 17095), (526, 14690), (565, 13676), (1052, 7345), (1130, 6838), (1315, 5876), (1469, 5260), (2260, 3419), (2630, 2938)]