72514480

素因数分解:

$2^4\times 5^1\times {\mathrm{906431}}^1$

素因数の和:906444

約数の個数: 20

約数和(自身を含む): 168596352

約数和(自身を除く): 96081872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 906431, 1812862, 3625724, 4532155, 7251448, 9064310, 14502896, 18128620, 36257240, 72514480]

約数ペア:

[(1, 72514480), (2, 36257240), (4, 18128620), (5, 14502896), (8, 9064310), (10, 7251448), (16, 4532155), (20, 3625724), (40, 1812862), (80, 906431)]