1356557320

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{311137}}^1$

素因数の和:311257

約数の個数: 32

約数和(自身を含む): 3080266200

約数和(自身を除く): 1723708880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 311137, 622274, 1244548, 1555685, 2489096, 3111370, 6222740, 12445480, 33913933, 67827866, 135655732, 169569665, 271311464, 339139330, 678278660, 1356557320]

約数ペア:

[(1, 1356557320), (2, 678278660), (4, 339139330), (5, 271311464), (8, 169569665), (10, 135655732), (20, 67827866), (40, 33913933), (109, 12445480), (218, 6222740), (436, 3111370), (545, 2489096), (872, 1555685), (1090, 1244548), (2180, 622274), (4360, 311137)]