12215120

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1427}}^1$

素因数の和:1547

約数の個数: 40

約数和(自身を含む): 28685664

約数和(自身を除く): 16470544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1427, 1712, 2140, 2854, 4280, 5708, 7135, 8560, 11416, 14270, 22832, 28540, 57080, 114160, 152689, 305378, 610756, 763445, 1221512, 1526890, 2443024, 3053780, 6107560, 12215120]

約数ペア:

[(1, 12215120), (2, 6107560), (4, 3053780), (5, 2443024), (8, 1526890), (10, 1221512), (16, 763445), (20, 610756), (40, 305378), (80, 152689), (107, 114160), (214, 57080), (428, 28540), (535, 22832), (856, 14270), (1070, 11416), (1427, 8560), (1712, 7135), (2140, 5708), (2854, 4280)]