80823184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{388573}}^1$

素因数の和:388594

約数の個数: 20

約数和(自身を含む): 168641116

約数和(自身を除く): 87817932

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 388573, 777146, 1554292, 3108584, 5051449, 6217168, 10102898, 20205796, 40411592, 80823184]

約数ペア:

[(1, 80823184), (2, 40411592), (4, 20205796), (8, 10102898), (13, 6217168), (16, 5051449), (26, 3108584), (52, 1554292), (104, 777146), (208, 388573)]