64316840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229703}}^1$

素因数の和:229721

約数の個数: 32

約数和(自身を含む): 165386880

約数和(自身を除く): 101070040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 229703, 459406, 918812, 1148515, 1607921, 1837624, 2297030, 3215842, 4594060, 6431684, 8039605, 9188120, 12863368, 16079210, 32158420, 64316840]

約数ペア:

[(1, 64316840), (2, 32158420), (4, 16079210), (5, 12863368), (7, 9188120), (8, 8039605), (10, 6431684), (14, 4594060), (20, 3215842), (28, 2297030), (35, 1837624), (40, 1607921), (56, 1148515), (70, 918812), (140, 459406), (280, 229703)]