2138072450

素因数分解:

$2^1\times 5^2\times {\mathrm{1669}}^1\times {\mathrm{25621}}^1$

素因数の和:27302

約数の個数: 24

約数和(自身を含む): 3979352820

約数和(自身を除く): 1841280370

約数列:

[1, 2, 5, 10, 25, 50, 1669, 3338, 8345, 16690, 25621, 41725, 51242, 83450, 128105, 256210, 640525, 1281050, 42761449, 85522898, 213807245, 427614490, 1069036225, 2138072450]

約数ペア:

[(1, 2138072450), (2, 1069036225), (5, 427614490), (10, 213807245), (25, 85522898), (50, 42761449), (1669, 1281050), (3338, 640525), (8345, 256210), (16690, 128105), (25621, 83450), (41725, 51242)]