40266440

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1063}}^1$

素因数の和:2021

約数の個数: 32

約数和(自身を含む): 90780480

約数和(自身を除く): 50514040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1063, 1894, 2126, 3788, 4252, 4735, 5315, 7576, 8504, 9470, 10630, 18940, 21260, 37880, 42520, 1006661, 2013322, 4026644, 5033305, 8053288, 10066610, 20133220, 40266440]

約数ペア:

[(1, 40266440), (2, 20133220), (4, 10066610), (5, 8053288), (8, 5033305), (10, 4026644), (20, 2013322), (40, 1006661), (947, 42520), (1063, 37880), (1894, 21260), (2126, 18940), (3788, 10630), (4252, 9470), (4735, 8504), (5315, 7576)]