40640432

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3329}}^1$

素因数の和:3453

約数の個数: 40

約数和(自身を含む): 90842400

約数和(自身を除く): 50201968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 3052, 3329, 6104, 6658, 12208, 13316, 23303, 26632, 46606, 53264, 93212, 186424, 362861, 372848, 725722, 1451444, 2540027, 2902888, 5080054, 5805776, 10160108, 20320216, 40640432]

約数ペア:

[(1, 40640432), (2, 20320216), (4, 10160108), (7, 5805776), (8, 5080054), (14, 2902888), (16, 2540027), (28, 1451444), (56, 725722), (109, 372848), (112, 362861), (218, 186424), (436, 93212), (763, 53264), (872, 46606), (1526, 26632), (1744, 23303), (3052, 13316), (3329, 12208), (6104, 6658)]