25490170

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20071}}^1$

素因数の和:20205

約数の個数: 16

約数和(自身を含む): 46245888

約数和(自身を除く): 20755718

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 20071, 40142, 100355, 200710, 2549017, 5098034, 12745085, 25490170]

約数ペア:

[(1, 25490170), (2, 12745085), (5, 5098034), (10, 2549017), (127, 200710), (254, 100355), (635, 40142), (1270, 20071)]