31747340

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14563}}^1$

素因数の和:14681

約数の個数: 24

約数和(自身を含む): 67285680

約数和(自身を除く): 35538340

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14563, 29126, 58252, 72815, 145630, 291260, 1587367, 3174734, 6349468, 7936835, 15873670, 31747340]

約数ペア:

[(1, 31747340), (2, 15873670), (4, 7936835), (5, 6349468), (10, 3174734), (20, 1587367), (109, 291260), (218, 145630), (436, 72815), (545, 58252), (1090, 29126), (2180, 14563)]