64624640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{6311}}^1$

素因数の和:6338

約数の個数: 48

約数和(自身を含む): 155085840

約数和(自身を除く): 90461200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 6311, 10240, 12622, 25244, 31555, 50488, 63110, 100976, 126220, 201952, 252440, 403904, 504880, 807808, 1009760, 1615616, 2019520, 3231232, 4039040, 6462464, 8078080, 12924928, 16156160, 32312320, 64624640]

約数ペア:

[(1, 64624640), (2, 32312320), (4, 16156160), (5, 12924928), (8, 8078080), (10, 6462464), (16, 4039040), (20, 3231232), (32, 2019520), (40, 1615616), (64, 1009760), (80, 807808), (128, 504880), (160, 403904), (256, 252440), (320, 201952), (512, 126220), (640, 100976), (1024, 63110), (1280, 50488), (2048, 31555), (2560, 25244), (5120, 12622), (6311, 10240)]