49940225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{64439}}^1$

素因数の和:64480

約数の個数: 12

約数和(自身を含む): 63924480

約数和(自身を除く): 13984255

約数列:

[1, 5, 25, 31, 155, 775, 64439, 322195, 1610975, 1997609, 9988045, 49940225]

約数ペア:

[(1, 49940225), (5, 9988045), (25, 1997609), (31, 1610975), (155, 322195), (775, 64439)]