80687728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4451}}^1$

素因数の和:4573

約数の個数: 40

約数和(自身を含む): 172238976

約数和(自身を除く): 91551248

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 103, 176, 206, 412, 824, 1133, 1648, 2266, 4451, 4532, 8902, 9064, 17804, 18128, 35608, 48961, 71216, 97922, 195844, 391688, 458453, 783376, 916906, 1833812, 3667624, 5042983, 7335248, 10085966, 20171932, 40343864, 80687728]

約数ペア:

[(1, 80687728), (2, 40343864), (4, 20171932), (8, 10085966), (11, 7335248), (16, 5042983), (22, 3667624), (44, 1833812), (88, 916906), (103, 783376), (176, 458453), (206, 391688), (412, 195844), (824, 97922), (1133, 71216), (1648, 48961), (2266, 35608), (4451, 18128), (4532, 17804), (8902, 9064)]