78012820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73597}}^1$

素因数の和:73659

約数の個数: 24

約数和(自身を含む): 166920264

約数和(自身を除く): 88907444

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 73597, 147194, 294388, 367985, 735970, 1471940, 3900641, 7801282, 15602564, 19503205, 39006410, 78012820]

約数ペア:

[(1, 78012820), (2, 39006410), (4, 19503205), (5, 15602564), (10, 7801282), (20, 3900641), (53, 1471940), (106, 735970), (212, 367985), (265, 294388), (530, 147194), (1060, 73597)]