8888620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2011}}^1$

素因数の和:2050

約数の個数: 48

約数和(自身を含む): 21295008

約数和(自身を除く): 12406388

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2011, 2210, 4022, 4420, 8044, 10055, 20110, 26143, 34187, 40220, 52286, 68374, 104572, 130715, 136748, 170935, 261430, 341870, 444431, 522860, 683740, 888862, 1777724, 2222155, 4444310, 8888620]

約数ペア:

[(1, 8888620), (2, 4444310), (4, 2222155), (5, 1777724), (10, 888862), (13, 683740), (17, 522860), (20, 444431), (26, 341870), (34, 261430), (52, 170935), (65, 136748), (68, 130715), (85, 104572), (130, 68374), (170, 52286), (221, 40220), (260, 34187), (340, 26143), (442, 20110), (884, 10055), (1105, 8044), (2011, 4420), (2210, 4022)]