215087120

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{25127}}^1$

素因数の和:25247

約数の個数: 40

約数和(自身を含む): 504771264

約数和(自身を除く): 289684144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 25127, 50254, 100508, 125635, 201016, 251270, 402032, 502540, 1005080, 2010160, 2688589, 5377178, 10754356, 13442945, 21508712, 26885890, 43017424, 53771780, 107543560, 215087120]

約数ペア:

[(1, 215087120), (2, 107543560), (4, 53771780), (5, 43017424), (8, 26885890), (10, 21508712), (16, 13442945), (20, 10754356), (40, 5377178), (80, 2688589), (107, 2010160), (214, 1005080), (428, 502540), (535, 402032), (856, 251270), (1070, 201016), (1712, 125635), (2140, 100508), (4280, 50254), (8560, 25127)]