80987965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{1303}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 100647936

約数和(自身を除く): 19659971

約数列:

[1, 5, 31, 155, 401, 1303, 2005, 6515, 12431, 40393, 62155, 201965, 522503, 2612515, 16197593, 80987965]

約数ペア:

[(1, 80987965), (5, 16197593), (31, 2612515), (155, 522503), (401, 201965), (1303, 62155), (2005, 40393), (6515, 12431)]