127640090

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{117101}}^1$

素因数の和:117217

約数の個数: 16

約数和(自身を含む): 231861960

約数和(自身を除く): 104221870

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 117101, 234202, 585505, 1171010, 12764009, 25528018, 63820045, 127640090]

約数ペア:

[(1, 127640090), (2, 63820045), (5, 25528018), (10, 12764009), (109, 1171010), (218, 585505), (545, 234202), (1090, 117101)]