11608720

素因数分解:

$2^4\times 5^1\times {\mathrm{145109}}^1$

素因数の和:145122

約数の個数: 20

約数和(自身を含む): 26990460

約数和(自身を除く): 15381740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 145109, 290218, 580436, 725545, 1160872, 1451090, 2321744, 2902180, 5804360, 11608720]

約数ペア:

[(1, 11608720), (2, 5804360), (4, 2902180), (5, 2321744), (8, 1451090), (10, 1160872), (16, 725545), (20, 580436), (40, 290218), (80, 145109)]