320121808

素因数分解:

$2^4\times {\mathrm{719}}^1\times {\mathrm{27827}}^1$

素因数の和:28554

約数の個数: 20

約数和(自身を含む): 621120960

約数和(自身を除く): 300999152

約数列:

[1, 2, 4, 8, 16, 719, 1438, 2876, 5752, 11504, 27827, 55654, 111308, 222616, 445232, 20007613, 40015226, 80030452, 160060904, 320121808]

約数ペア:

[(1, 320121808), (2, 160060904), (4, 80030452), (8, 40015226), (16, 20007613), (719, 445232), (1438, 222616), (2876, 111308), (5752, 55654), (11504, 27827)]