28281100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6577}}^1$

素因数の和:6634

約数の個数: 36

約数和(自身を含む): 62806744

約数和(自身を除く): 34525644

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 6577, 13154, 26308, 32885, 65770, 131540, 164425, 282811, 328850, 565622, 657700, 1131244, 1414055, 2828110, 5656220, 7070275, 14140550, 28281100]

約数ペア:

[(1, 28281100), (2, 14140550), (4, 7070275), (5, 5656220), (10, 2828110), (20, 1414055), (25, 1131244), (43, 657700), (50, 565622), (86, 328850), (100, 282811), (172, 164425), (215, 131540), (430, 65770), (860, 32885), (1075, 26308), (2150, 13154), (4300, 6577)]