51681296

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{31981}}^1$

素因数の和:32090

約数の個数: 20

約数和(自身を含む): 101127084

約数和(自身を除く): 49445788

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 31981, 63962, 127924, 255848, 511696, 3230081, 6460162, 12920324, 25840648, 51681296]

約数ペア:

[(1, 51681296), (2, 25840648), (4, 12920324), (8, 6460162), (16, 3230081), (101, 511696), (202, 255848), (404, 127924), (808, 63962), (1616, 31981)]