29105840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8461}}^1$

素因数の和:8517

約数の個数: 40

約数和(自身を含む): 69253008

約数和(自身を除く): 40147168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 8461, 16922, 33844, 42305, 67688, 84610, 135376, 169220, 338440, 363823, 676880, 727646, 1455292, 1819115, 2910584, 3638230, 5821168, 7276460, 14552920, 29105840]

約数ペア:

[(1, 29105840), (2, 14552920), (4, 7276460), (5, 5821168), (8, 3638230), (10, 2910584), (16, 1819115), (20, 1455292), (40, 727646), (43, 676880), (80, 363823), (86, 338440), (172, 169220), (215, 135376), (344, 84610), (430, 67688), (688, 42305), (860, 33844), (1720, 16922), (3440, 8461)]