13945460

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6397}}^1$

素因数の和:6515

約数の個数: 24

約数和(自身を含む): 29558760

約数和(自身を除く): 15613300

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 6397, 12794, 25588, 31985, 63970, 127940, 697273, 1394546, 2789092, 3486365, 6972730, 13945460]

約数ペア:

[(1, 13945460), (2, 6972730), (4, 3486365), (5, 2789092), (10, 1394546), (20, 697273), (109, 127940), (218, 63970), (436, 31985), (545, 25588), (1090, 12794), (2180, 6397)]