29031880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16879}}^1$

素因数の和:16933

約数の個数: 32

約数和(自身を含む): 66844800

約数和(自身を除く): 37812920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 16879, 33758, 67516, 84395, 135032, 168790, 337580, 675160, 725797, 1451594, 2903188, 3628985, 5806376, 7257970, 14515940, 29031880]

約数ペア:

[(1, 29031880), (2, 14515940), (4, 7257970), (5, 5806376), (8, 3628985), (10, 2903188), (20, 1451594), (40, 725797), (43, 675160), (86, 337580), (172, 168790), (215, 135032), (344, 84395), (430, 67516), (860, 33758), (1720, 16879)]