29709980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16691}}^1$

素因数の和:16789

約数の個数: 24

約数和(自身を含む): 63095760

約数和(自身を除く): 33385780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 16691, 33382, 66764, 83455, 166910, 333820, 1485499, 2970998, 5941996, 7427495, 14854990, 29709980]

約数ペア:

[(1, 29709980), (2, 14854990), (4, 7427495), (5, 5941996), (10, 2970998), (20, 1485499), (89, 333820), (178, 166910), (356, 83455), (445, 66764), (890, 33382), (1780, 16691)]