80346005

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 97858800

約数和(自身を除く): 17512795

約数列:

[1, 5, 101, 389, 409, 505, 1945, 2045, 39289, 41309, 159101, 196445, 206545, 795505, 16069201, 80346005]

約数ペア:

[(1, 80346005), (5, 16069201), (101, 795505), (389, 206545), (409, 196445), (505, 159101), (1945, 41309), (2045, 39289)]