1640185864

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{811}}^1\times {\mathrm{2503}}^1$

素因数の和:3421

約数の個数: 32

約数和(自身を含む): 3110869440

約数和(自身を除く): 1470683576

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 811, 1622, 2503, 3244, 5006, 6488, 10012, 20024, 81911, 163822, 252803, 327644, 505606, 655288, 1011212, 2022424, 2029933, 4059866, 8119732, 16239464, 205023233, 410046466, 820092932, 1640185864]

約数ペア:

[(1, 1640185864), (2, 820092932), (4, 410046466), (8, 205023233), (101, 16239464), (202, 8119732), (404, 4059866), (808, 2029933), (811, 2022424), (1622, 1011212), (2503, 655288), (3244, 505606), (5006, 327644), (6488, 252803), (10012, 163822), (20024, 81911)]