27406660

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^2\times {\mathrm{173}}^1$

素因数の和:360

約数の個数: 36

約数和(自身を含む): 58544388

約数和(自身を除く): 31137728

約数列:

[1, 2, 4, 5, 10, 20, 89, 173, 178, 346, 356, 445, 692, 865, 890, 1730, 1780, 3460, 7921, 15397, 15842, 30794, 31684, 39605, 61588, 76985, 79210, 153970, 158420, 307940, 1370333, 2740666, 5481332, 6851665, 13703330, 27406660]

約数ペア:

[(1, 27406660), (2, 13703330), (4, 6851665), (5, 5481332), (10, 2740666), (20, 1370333), (89, 307940), (173, 158420), (178, 153970), (346, 79210), (356, 76985), (445, 61588), (692, 39605), (865, 31684), (890, 30794), (1730, 15842), (1780, 15397), (3460, 7921)]