80521120

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2909}}^1$

素因数の和:3097

約数の個数: 48

約数和(自身を含む): 191396520

約数和(自身を除く): 110875400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 692, 865, 1384, 1730, 2768, 2909, 3460, 5536, 5818, 6920, 11636, 13840, 14545, 23272, 27680, 29090, 46544, 58180, 93088, 116360, 232720, 465440, 503257, 1006514, 2013028, 2516285, 4026056, 5032570, 8052112, 10065140, 16104224, 20130280, 40260560, 80521120]

約数ペア:

[(1, 80521120), (2, 40260560), (4, 20130280), (5, 16104224), (8, 10065140), (10, 8052112), (16, 5032570), (20, 4026056), (32, 2516285), (40, 2013028), (80, 1006514), (160, 503257), (173, 465440), (346, 232720), (692, 116360), (865, 93088), (1384, 58180), (1730, 46544), (2768, 29090), (2909, 27680), (3460, 23272), (5536, 14545), (5818, 13840), (6920, 11636)]