12780008090

素因数分解:

$2^1\times 5^1\times {\mathrm{6637}}^1\times {\mathrm{192557}}^1$

素因数の和:199201

約数の個数: 16

約数和(自身を含む): 23007600072

約数和(自身を除く): 10227591982

約数列:

[1, 2, 5, 10, 6637, 13274, 33185, 66370, 192557, 385114, 962785, 1925570, 1278000809, 2556001618, 6390004045, 12780008090]

約数ペア:

[(1, 12780008090), (2, 6390004045), (5, 2556001618), (10, 1278000809), (6637, 1925570), (13274, 962785), (33185, 385114), (66370, 192557)]