12866820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1637}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 23457468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1637, 1965, 2620, 3274, 3930, 4911, 6548, 7860, 8185, 9822, 16370, 19644, 24555, 32740, 49110, 98220, 214447, 428894, 643341, 857788, 1072235, 1286682, 2144470, 2573364, 3216705, 4288940, 6433410, 12866820]

約数ペア:

[(1, 12866820), (2, 6433410), (3, 4288940), (4, 3216705), (5, 2573364), (6, 2144470), (10, 1286682), (12, 1072235), (15, 857788), (20, 643341), (30, 428894), (60, 214447), (131, 98220), (262, 49110), (393, 32740), (524, 24555), (655, 19644), (786, 16370), (1310, 9822), (1572, 8185), (1637, 7860), (1965, 6548), (2620, 4911), (3274, 3930)]