2780560

素因数分解:

$2^4\times 5^1\times {\mathrm{34757}}^1$

素因数の和:34770

約数の個数: 20

約数和(自身を含む): 6464988

約数和(自身を除く): 3684428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 34757, 69514, 139028, 173785, 278056, 347570, 556112, 695140, 1390280, 2780560]

約数ペア:

[(1, 2780560), (2, 1390280), (4, 695140), (5, 556112), (8, 347570), (10, 278056), (16, 173785), (20, 139028), (40, 69514), (80, 34757)]