28339460

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{3947}}^1$

素因数の和:4315

約数の個数: 24

約数和(自身を含む): 59693760

約数和(自身を除く): 31354300

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 3947, 7180, 7894, 15788, 19735, 39470, 78940, 1416973, 2833946, 5667892, 7084865, 14169730, 28339460]

約数ペア:

[(1, 28339460), (2, 14169730), (4, 7084865), (5, 5667892), (10, 2833946), (20, 1416973), (359, 78940), (718, 39470), (1436, 19735), (1795, 15788), (3590, 7894), (3947, 7180)]