64074040

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12613}}^1$

素因数の和:12751

約数の個数: 32

約数和(自身を含む): 145313280

約数和(自身を除く): 81239240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 12613, 25226, 50452, 63065, 100904, 126130, 252260, 504520, 1601851, 3203702, 6407404, 8009255, 12814808, 16018510, 32037020, 64074040]

約数ペア:

[(1, 64074040), (2, 32037020), (4, 16018510), (5, 12814808), (8, 8009255), (10, 6407404), (20, 3203702), (40, 1601851), (127, 504520), (254, 252260), (508, 126130), (635, 100904), (1016, 63065), (1270, 50452), (2540, 25226), (5080, 12613)]