205300240

素因数分解:

$2^4\times 5^1\times {\mathrm{2566253}}^1$

素因数の和:2566266

約数の個数: 20

約数和(自身を含む): 477323244

約数和(自身を除く): 272023004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2566253, 5132506, 10265012, 12831265, 20530024, 25662530, 41060048, 51325060, 102650120, 205300240]

約数ペア:

[(1, 205300240), (2, 102650120), (4, 51325060), (5, 41060048), (8, 25662530), (10, 20530024), (16, 12831265), (20, 10265012), (40, 5132506), (80, 2566253)]