320417980

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{22037}}^1$

素因数の和:22773

約数の個数: 24

約数和(自身を含む): 673833888

約数和(自身を除く): 353415908

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 2908, 3635, 7270, 14540, 22037, 44074, 88148, 110185, 220370, 440740, 16020899, 32041798, 64083596, 80104495, 160208990, 320417980]

約数ペア:

[(1, 320417980), (2, 160208990), (4, 80104495), (5, 64083596), (10, 32041798), (20, 16020899), (727, 440740), (1454, 220370), (2908, 110185), (3635, 88148), (7270, 44074), (14540, 22037)]