266791940

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{33601}}^1$

素因数の和:34007

約数の個数: 24

約数和(自身を含む): 561691032

約数和(自身を除く): 294899092

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 33601, 67202, 134404, 168005, 336010, 672020, 13339597, 26679194, 53358388, 66697985, 133395970, 266791940]

約数ペア:

[(1, 266791940), (2, 133395970), (4, 66697985), (5, 53358388), (10, 26679194), (20, 13339597), (397, 672020), (794, 336010), (1588, 168005), (1985, 134404), (3970, 67202), (7940, 33601)]