80909855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{42923}}^1$

素因数の和:42970

約数の個数: 16

約数和(自身を含む): 108168480

約数和(自身を除く): 27258625

約数列:

[1, 5, 13, 29, 65, 145, 377, 1885, 42923, 214615, 557999, 1244767, 2789995, 6223835, 16181971, 80909855]

約数ペア:

[(1, 80909855), (5, 16181971), (13, 6223835), (29, 2789995), (65, 1244767), (145, 557999), (377, 214615), (1885, 42923)]