17986640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32119}}^1$

素因数の和:32139

約数の個数: 40

約数和(自身を含む): 47794560

約数和(自身を除く): 29807920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32119, 64238, 128476, 160595, 224833, 256952, 321190, 449666, 513904, 642380, 899332, 1124165, 1284760, 1798664, 2248330, 2569520, 3597328, 4496660, 8993320, 17986640]

約数ペア:

[(1, 17986640), (2, 8993320), (4, 4496660), (5, 3597328), (7, 2569520), (8, 2248330), (10, 1798664), (14, 1284760), (16, 1124165), (20, 899332), (28, 642380), (35, 513904), (40, 449666), (56, 321190), (70, 256952), (80, 224833), (112, 160595), (140, 128476), (280, 64238), (560, 32119)]