25821808

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{9901}}^1$

素因数の和:10072

約数の個数: 20

約数和(自身を含む): 50341768

約数和(自身を除く): 24519960

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 9901, 19802, 39604, 79208, 158416, 1613863, 3227726, 6455452, 12910904, 25821808]

約数ペア:

[(1, 25821808), (2, 12910904), (4, 6455452), (8, 3227726), (16, 1613863), (163, 158416), (326, 79208), (652, 39604), (1304, 19802), (2608, 9901)]