28554580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{33203}}^1$

素因数の和:33255

約数の個数: 24

約数和(自身を含む): 61360992

約数和(自身を除く): 32806412

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 33203, 66406, 132812, 166015, 332030, 664060, 1427729, 2855458, 5710916, 7138645, 14277290, 28554580]

約数ペア:

[(1, 28554580), (2, 14277290), (4, 7138645), (5, 5710916), (10, 2855458), (20, 1427729), (43, 664060), (86, 332030), (172, 166015), (215, 132812), (430, 66406), (860, 33203)]