56628460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{404489}}^1$

素因数の和:404505

約数の個数: 24

約数和(自身を含む): 135908640

約数和(自身を除く): 79280180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 404489, 808978, 1617956, 2022445, 2831423, 4044890, 5662846, 8089780, 11325692, 14157115, 28314230, 56628460]

約数ペア:

[(1, 56628460), (2, 28314230), (4, 14157115), (5, 11325692), (7, 8089780), (10, 5662846), (14, 4044890), (20, 2831423), (28, 2022445), (35, 1617956), (70, 808978), (140, 404489)]