64604060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1747}}^1$

素因数の和:1842

約数の個数: 36

約数和(自身を含む): 138976488

約数和(自身を除く): 74372428

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1747, 1849, 3494, 3698, 6988, 7396, 8735, 9245, 17470, 18490, 34940, 36980, 75121, 150242, 300484, 375605, 751210, 1502420, 3230203, 6460406, 12920812, 16151015, 32302030, 64604060]

約数ペア:

[(1, 64604060), (2, 32302030), (4, 16151015), (5, 12920812), (10, 6460406), (20, 3230203), (43, 1502420), (86, 751210), (172, 375605), (215, 300484), (430, 150242), (860, 75121), (1747, 36980), (1849, 34940), (3494, 18490), (3698, 17470), (6988, 9245), (7396, 8735)]