80218576

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{161731}}^1$

素因数の和:161770

約数の個数: 20

約数和(自身を含む): 160438144

約数和(自身を除く): 80219568

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 161731, 323462, 646924, 1293848, 2587696, 5013661, 10027322, 20054644, 40109288, 80218576]

約数ペア:

[(1, 80218576), (2, 40109288), (4, 20054644), (8, 10027322), (16, 5013661), (31, 2587696), (62, 1293848), (124, 646924), (248, 323462), (496, 161731)]