66849280

素因数分解:

$2^9\times 5^1\times {\mathrm{26113}}^1$

素因数の和:26136

約数の個数: 40

約数和(自身を含む): 160287732

約数和(自身を除く): 93438452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 26113, 52226, 104452, 130565, 208904, 261130, 417808, 522260, 835616, 1044520, 1671232, 2089040, 3342464, 4178080, 6684928, 8356160, 13369856, 16712320, 33424640, 66849280]

約数ペア:

[(1, 66849280), (2, 33424640), (4, 16712320), (5, 13369856), (8, 8356160), (10, 6684928), (16, 4178080), (20, 3342464), (32, 2089040), (40, 1671232), (64, 1044520), (80, 835616), (128, 522260), (160, 417808), (256, 261130), (320, 208904), (512, 130565), (640, 104452), (1280, 52226), (2560, 26113)]