80451520

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3541}}^1$

素因数の和:3629

約数の個数: 56

約数和(自身を含む): 194328288

約数和(自身を除く): 113876768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 3541, 4544, 5680, 7082, 11360, 14164, 17705, 22720, 28328, 35410, 56656, 70820, 113312, 141640, 226624, 251411, 283280, 502822, 566560, 1005644, 1133120, 1257055, 2011288, 2514110, 4022576, 5028220, 8045152, 10056440, 16090304, 20112880, 40225760, 80451520]

約数ペア:

[(1, 80451520), (2, 40225760), (4, 20112880), (5, 16090304), (8, 10056440), (10, 8045152), (16, 5028220), (20, 4022576), (32, 2514110), (40, 2011288), (64, 1257055), (71, 1133120), (80, 1005644), (142, 566560), (160, 502822), (284, 283280), (320, 251411), (355, 226624), (568, 141640), (710, 113312), (1136, 70820), (1420, 56656), (2272, 35410), (2840, 28328), (3541, 22720), (4544, 17705), (5680, 14164), (7082, 11360)]