80519998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{7723}}^1$

素因数の和:8139

約数の個数: 16

約数和(自身を含む): 130412016

約数和(自身を除く): 49892018

約数列:

[1, 2, 13, 26, 401, 802, 5213, 7723, 10426, 15446, 100399, 200798, 3096923, 6193846, 40259999, 80519998]

約数ペア:

[(1, 80519998), (2, 40259999), (13, 6193846), (26, 3096923), (401, 200798), (802, 100399), (5213, 15446), (7723, 10426)]