28948120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10193}}^1$

素因数の和:10275

約数の個数: 32

約数和(自身を含む): 66057120

約数和(自身を除く): 37109000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 10193, 20386, 40772, 50965, 81544, 101930, 203860, 407720, 723703, 1447406, 2894812, 3618515, 5789624, 7237030, 14474060, 28948120]

約数ペア:

[(1, 28948120), (2, 14474060), (4, 7237030), (5, 5789624), (8, 3618515), (10, 2894812), (20, 1447406), (40, 723703), (71, 407720), (142, 203860), (284, 101930), (355, 81544), (568, 50965), (710, 40772), (1420, 20386), (2840, 10193)]