6494780

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2557}}^1$

素因数の和:2693

約数の個数: 24

約数和(自身を含む): 13751808

約数和(自身を除く): 7257028

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 2557, 5114, 10228, 12785, 25570, 51140, 324739, 649478, 1298956, 1623695, 3247390, 6494780]

約数ペア:

[(1, 6494780), (2, 3247390), (4, 1623695), (5, 1298956), (10, 649478), (20, 324739), (127, 51140), (254, 25570), (508, 12785), (635, 10228), (1270, 5114), (2540, 2557)]