18322880

素因数分解:

$2^6\times 5^1\times {\mathrm{57259}}^1$

素因数の和:57276

約数の個数: 28

約数和(自身を含む): 43632120

約数和(自身を除く): 25309240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 57259, 114518, 229036, 286295, 458072, 572590, 916144, 1145180, 1832288, 2290360, 3664576, 4580720, 9161440, 18322880]

約数ペア:

[(1, 18322880), (2, 9161440), (4, 4580720), (5, 3664576), (8, 2290360), (10, 1832288), (16, 1145180), (20, 916144), (32, 572590), (40, 458072), (64, 286295), (80, 229036), (160, 114518), (320, 57259)]