65964680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23227}}^1$

素因数の和:23309

約数の個数: 32

約数和(自身を含む): 150517440

約数和(自身を除く): 84552760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 23227, 46454, 92908, 116135, 185816, 232270, 464540, 929080, 1649117, 3298234, 6596468, 8245585, 13192936, 16491170, 32982340, 65964680]

約数ペア:

[(1, 65964680), (2, 32982340), (4, 16491170), (5, 13192936), (8, 8245585), (10, 6596468), (20, 3298234), (40, 1649117), (71, 929080), (142, 464540), (284, 232270), (355, 185816), (568, 116135), (710, 92908), (1420, 46454), (2840, 23227)]