26423480

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1021}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 59603040

約数和(自身を除く): 33179560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1021, 1294, 2042, 2588, 3235, 4084, 5105, 5176, 6470, 8168, 10210, 12940, 20420, 25880, 40840, 660587, 1321174, 2642348, 3302935, 5284696, 6605870, 13211740, 26423480]

約数ペア:

[(1, 26423480), (2, 13211740), (4, 6605870), (5, 5284696), (8, 3302935), (10, 2642348), (20, 1321174), (40, 660587), (647, 40840), (1021, 25880), (1294, 20420), (2042, 12940), (2588, 10210), (3235, 8168), (4084, 6470), (5105, 5176)]