87164420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{622603}}^1$

素因数の和:622619

約数の個数: 24

約数和(自身を含む): 209194944

約数和(自身を除く): 122030524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 622603, 1245206, 2490412, 3113015, 4358221, 6226030, 8716442, 12452060, 17432884, 21791105, 43582210, 87164420]

約数ペア:

[(1, 87164420), (2, 43582210), (4, 21791105), (5, 17432884), (7, 12452060), (10, 8716442), (14, 6226030), (20, 4358221), (28, 3113015), (35, 2490412), (70, 1245206), (140, 622603)]