15691520860

素因数分解:

$2^2\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{367139}}^1$

素因数の和:369285

約数の個数: 24

約数和(自身を含む): 32967703440

約数和(自身を除く): 17276182580

約数列:

[1, 2, 4, 5, 10, 20, 2137, 4274, 8548, 10685, 21370, 42740, 367139, 734278, 1468556, 1835695, 3671390, 7342780, 784576043, 1569152086, 3138304172, 3922880215, 7845760430, 15691520860]

約数ペア:

[(1, 15691520860), (2, 7845760430), (4, 3922880215), (5, 3138304172), (10, 1569152086), (20, 784576043), (2137, 7342780), (4274, 3671390), (8548, 1835695), (10685, 1468556), (21370, 734278), (42740, 367139)]