8564780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{467}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 20756736

約数和(自身を除く): 12191956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 467, 524, 655, 917, 934, 1310, 1834, 1868, 2335, 2620, 3269, 3668, 4585, 4670, 6538, 9170, 9340, 13076, 16345, 18340, 32690, 61177, 65380, 122354, 244708, 305885, 428239, 611770, 856478, 1223540, 1712956, 2141195, 4282390, 8564780]

約数ペア:

[(1, 8564780), (2, 4282390), (4, 2141195), (5, 1712956), (7, 1223540), (10, 856478), (14, 611770), (20, 428239), (28, 305885), (35, 244708), (70, 122354), (131, 65380), (140, 61177), (262, 32690), (467, 18340), (524, 16345), (655, 13076), (917, 9340), (934, 9170), (1310, 6538), (1834, 4670), (1868, 4585), (2335, 3668), (2620, 3269)]