67440680

素因数分解:

$2^3\times 5^1\times {\mathrm{1686017}}^1$

素因数の和:1686028

約数の個数: 16

約数和(自身を含む): 151741620

約数和(自身を除く): 84300940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1686017, 3372034, 6744068, 8430085, 13488136, 16860170, 33720340, 67440680]

約数ペア:

[(1, 67440680), (2, 33720340), (4, 16860170), (5, 13488136), (8, 8430085), (10, 6744068), (20, 3372034), (40, 1686017)]