28585540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{773}}^1$

素因数の和:868

約数の個数: 36

約数和(自身を含む): 61537644

約数和(自身を除く): 32952104

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 773, 860, 1546, 1849, 3092, 3698, 3865, 7396, 7730, 9245, 15460, 18490, 33239, 36980, 66478, 132956, 166195, 332390, 664780, 1429277, 2858554, 5717108, 7146385, 14292770, 28585540]

約数ペア:

[(1, 28585540), (2, 14292770), (4, 7146385), (5, 5717108), (10, 2858554), (20, 1429277), (43, 664780), (86, 332390), (172, 166195), (215, 132956), (430, 66478), (773, 36980), (860, 33239), (1546, 18490), (1849, 15460), (3092, 9245), (3698, 7730), (3865, 7396)]