39123680

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{557}}^1$

素因数の和:1011

約数の個数: 48

約数和(自身を含む): 92806560

約数和(自身を除く): 53682880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 557, 878, 1114, 1756, 2195, 2228, 2785, 3512, 4390, 4456, 5570, 7024, 8780, 8912, 11140, 14048, 17560, 17824, 22280, 35120, 44560, 70240, 89120, 244523, 489046, 978092, 1222615, 1956184, 2445230, 3912368, 4890460, 7824736, 9780920, 19561840, 39123680]

約数ペア:

[(1, 39123680), (2, 19561840), (4, 9780920), (5, 7824736), (8, 4890460), (10, 3912368), (16, 2445230), (20, 1956184), (32, 1222615), (40, 978092), (80, 489046), (160, 244523), (439, 89120), (557, 70240), (878, 44560), (1114, 35120), (1756, 22280), (2195, 17824), (2228, 17560), (2785, 14048), (3512, 11140), (4390, 8912), (4456, 8780), (5570, 7024)]