31683440

素因数分解:

$2^4\times 5^1\times {\mathrm{396043}}^1$

素因数の和:396056

約数の個数: 20

約数和(自身を含む): 73664184

約数和(自身を除く): 41980744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 396043, 792086, 1584172, 1980215, 3168344, 3960430, 6336688, 7920860, 15841720, 31683440]

約数ペア:

[(1, 31683440), (2, 15841720), (4, 7920860), (5, 6336688), (8, 3960430), (10, 3168344), (16, 1980215), (20, 1584172), (40, 792086), (80, 396043)]