87064040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2237}}^1$

素因数の和:2394

約数の個数: 64

約数和(自身を含む): 225590400

約数和(自身を除く): 138526360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2237, 2780, 3892, 4474, 4865, 5560, 7784, 8948, 9730, 11185, 15659, 17896, 19460, 22370, 31318, 38920, 44740, 62636, 78295, 89480, 125272, 156590, 310943, 313180, 621886, 626360, 1243772, 1554715, 2176601, 2487544, 3109430, 4353202, 6218860, 8706404, 10883005, 12437720, 17412808, 21766010, 43532020, 87064040]

約数ペア:

[(1, 87064040), (2, 43532020), (4, 21766010), (5, 17412808), (7, 12437720), (8, 10883005), (10, 8706404), (14, 6218860), (20, 4353202), (28, 3109430), (35, 2487544), (40, 2176601), (56, 1554715), (70, 1243772), (139, 626360), (140, 621886), (278, 313180), (280, 310943), (556, 156590), (695, 125272), (973, 89480), (1112, 78295), (1390, 62636), (1946, 44740), (2237, 38920), (2780, 31318), (3892, 22370), (4474, 19460), (4865, 17896), (5560, 15659), (7784, 11185), (8948, 9730)]