67089980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{37691}}^1$

素因数の和:37789

約数の個数: 24

約数和(自身を含む): 142475760

約数和(自身を除く): 75385780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 37691, 75382, 150764, 188455, 376910, 753820, 3354499, 6708998, 13417996, 16772495, 33544990, 67089980]

約数ペア:

[(1, 67089980), (2, 33544990), (4, 16772495), (5, 13417996), (10, 6708998), (20, 3354499), (89, 753820), (178, 376910), (356, 188455), (445, 150764), (890, 75382), (1780, 37691)]