65420090

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{49939}}^1$

素因数の和:50077

約数の個数: 16

約数和(自身を含む): 118657440

約数和(自身を除く): 53237350

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 49939, 99878, 249695, 499390, 6542009, 13084018, 32710045, 65420090]

約数ペア:

[(1, 65420090), (2, 32710045), (5, 13084018), (10, 6542009), (131, 499390), (262, 249695), (655, 99878), (1310, 49939)]