73866640

素因数分解:

$2^4\times 5^1\times {\mathrm{923333}}^1$

素因数の和:923346

約数の個数: 20

約数和(自身を含む): 171740124

約数和(自身を除く): 97873484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 923333, 1846666, 3693332, 4616665, 7386664, 9233330, 14773328, 18466660, 36933320, 73866640]

約数ペア:

[(1, 73866640), (2, 36933320), (4, 18466660), (5, 14773328), (8, 9233330), (10, 7386664), (16, 4616665), (20, 3693332), (40, 1846666), (80, 923333)]