55231780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{64223}}^1$

素因数の和:64275

約数の個数: 24

約数和(自身を含む): 118685952

約数和(自身を除く): 63454172

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 64223, 128446, 256892, 321115, 642230, 1284460, 2761589, 5523178, 11046356, 13807945, 27615890, 55231780]

約数ペア:

[(1, 55231780), (2, 27615890), (4, 13807945), (5, 11046356), (10, 5523178), (20, 2761589), (43, 1284460), (86, 642230), (172, 321115), (215, 256892), (430, 128446), (860, 64223)]