1640851252

素因数分解:

$2^2\times {\mathrm{101}}^2\times {\mathrm{40213}}^1$

素因数の和:40419

約数の個数: 18

約数和(自身を含む): 2900273894

約数和(自身を除く): 1259422642

約数列:

[1, 2, 4, 101, 202, 404, 10201, 20402, 40213, 40804, 80426, 160852, 4061513, 8123026, 16246052, 410212813, 820425626, 1640851252]

約数ペア:

[(1, 1640851252), (2, 820425626), (4, 410212813), (101, 16246052), (202, 8123026), (404, 4061513), (10201, 160852), (20402, 80426), (40213, 40804)]