80479990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{349913}}^1$

素因数の和:349943

約数の個数: 16

約数和(自身を含む): 151162848

約数和(自身を除く): 70682858

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 349913, 699826, 1749565, 3499130, 8047999, 16095998, 40239995, 80479990]

約数ペア:

[(1, 80479990), (2, 40239995), (5, 16095998), (10, 8047999), (23, 3499130), (46, 1749565), (115, 699826), (230, 349913)]