12942320

素因数分解:

$2^4\times 5^1\times {\mathrm{161779}}^1$

素因数の和:161792

約数の個数: 20

約数和(自身を含む): 30091080

約数和(自身を除く): 17148760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 161779, 323558, 647116, 808895, 1294232, 1617790, 2588464, 3235580, 6471160, 12942320]

約数ペア:

[(1, 12942320), (2, 6471160), (4, 3235580), (5, 2588464), (8, 1617790), (10, 1294232), (16, 808895), (20, 647116), (40, 323558), (80, 161779)]