8889365960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{19777}}^1$

素因数の和:20466

約数の個数: 64

約数和(自身を含む): 21210718320

約数和(自身を除く): 12321352360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 661, 680, 1322, 2644, 3305, 5288, 6610, 11237, 13220, 19777, 22474, 26440, 39554, 44948, 56185, 79108, 89896, 98885, 112370, 158216, 197770, 224740, 336209, 395540, 449480, 672418, 791080, 1344836, 1681045, 2689672, 3362090, 6724180, 13072597, 13448360, 26145194, 52290388, 65362985, 104580776, 130725970, 222234149, 261451940, 444468298, 522903880, 888936596, 1111170745, 1777873192, 2222341490, 4444682980, 8889365960]

約数ペア:

[(1, 8889365960), (2, 4444682980), (4, 2222341490), (5, 1777873192), (8, 1111170745), (10, 888936596), (17, 522903880), (20, 444468298), (34, 261451940), (40, 222234149), (68, 130725970), (85, 104580776), (136, 65362985), (170, 52290388), (340, 26145194), (661, 13448360), (680, 13072597), (1322, 6724180), (2644, 3362090), (3305, 2689672), (5288, 1681045), (6610, 1344836), (11237, 791080), (13220, 672418), (19777, 449480), (22474, 395540), (26440, 336209), (39554, 224740), (44948, 197770), (56185, 158216), (79108, 112370), (89896, 98885)]