13925840

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1597}}^1$

素因数の和:1719

約数の個数: 40

約数和(自身を含む): 32695080

約数和(自身を除く): 18769240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1597, 1744, 2180, 3194, 4360, 6388, 7985, 8720, 12776, 15970, 25552, 31940, 63880, 127760, 174073, 348146, 696292, 870365, 1392584, 1740730, 2785168, 3481460, 6962920, 13925840]

約数ペア:

[(1, 13925840), (2, 6962920), (4, 3481460), (5, 2785168), (8, 1740730), (10, 1392584), (16, 870365), (20, 696292), (40, 348146), (80, 174073), (109, 127760), (218, 63880), (436, 31940), (545, 25552), (872, 15970), (1090, 12776), (1597, 8720), (1744, 7985), (2180, 6388), (3194, 4360)]