2772560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4951}}^1$

素因数の和:4971

約数の個数: 40

約数和(自身を含む): 7368576

約数和(自身を除く): 4596016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4951, 9902, 19804, 24755, 34657, 39608, 49510, 69314, 79216, 99020, 138628, 173285, 198040, 277256, 346570, 396080, 554512, 693140, 1386280, 2772560]

約数ペア:

[(1, 2772560), (2, 1386280), (4, 693140), (5, 554512), (7, 396080), (8, 346570), (10, 277256), (14, 198040), (16, 173285), (20, 138628), (28, 99020), (35, 79216), (40, 69314), (56, 49510), (70, 39608), (80, 34657), (112, 24755), (140, 19804), (280, 9902), (560, 4951)]