20044480

素因数分解:

$2^6\times 5^1\times {\mathrm{62639}}^1$

素因数の和:62656

約数の個数: 28

約数和(自身を含む): 47731680

約数和(自身を除く): 27687200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62639, 125278, 250556, 313195, 501112, 626390, 1002224, 1252780, 2004448, 2505560, 4008896, 5011120, 10022240, 20044480]

約数ペア:

[(1, 20044480), (2, 10022240), (4, 5011120), (5, 4008896), (8, 2505560), (10, 2004448), (16, 1252780), (20, 1002224), (32, 626390), (40, 501112), (64, 313195), (80, 250556), (160, 125278), (320, 62639)]