66709840

素因数分解:

$2^4\times 5^1\times {\mathrm{833873}}^1$

素因数の和:833886

約数の個数: 20

約数和(自身を含む): 155100564

約数和(自身を除く): 88390724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 833873, 1667746, 3335492, 4169365, 6670984, 8338730, 13341968, 16677460, 33354920, 66709840]

約数ペア:

[(1, 66709840), (2, 33354920), (4, 16677460), (5, 13341968), (8, 8338730), (10, 6670984), (16, 4169365), (20, 3335492), (40, 1667746), (80, 833873)]