201617480

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{63803}}^1$

素因数の和:63893

約数の個数: 32

約数和(自身を含む): 459388800

約数和(自身を除く): 257771320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 63803, 127606, 255212, 319015, 510424, 638030, 1276060, 2552120, 5040437, 10080874, 20161748, 25202185, 40323496, 50404370, 100808740, 201617480]

約数ペア:

[(1, 201617480), (2, 100808740), (4, 50404370), (5, 40323496), (8, 25202185), (10, 20161748), (20, 10080874), (40, 5040437), (79, 2552120), (158, 1276060), (316, 638030), (395, 510424), (632, 319015), (790, 255212), (1580, 127606), (3160, 63803)]