31100980

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{3917}}^1$

素因数の和:4323

約数の個数: 24

約数和(自身を含む): 65493288

約数和(自身を除く): 34392308

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3917, 3970, 7834, 7940, 15668, 19585, 39170, 78340, 1555049, 3110098, 6220196, 7775245, 15550490, 31100980]

約数ペア:

[(1, 31100980), (2, 15550490), (4, 7775245), (5, 6220196), (10, 3110098), (20, 1555049), (397, 78340), (794, 39170), (1588, 19585), (1985, 15668), (3917, 7940), (3970, 7834)]