87742790

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{487}}^1$

素因数の和:956

約数の個数: 32

約数和(自身を含む): 162328320

約数和(自身を除く): 74585530

約数列:

[1, 2, 5, 10, 43, 86, 215, 419, 430, 487, 838, 974, 2095, 2435, 4190, 4870, 18017, 20941, 36034, 41882, 90085, 104705, 180170, 204053, 209410, 408106, 1020265, 2040530, 8774279, 17548558, 43871395, 87742790]

約数ペア:

[(1, 87742790), (2, 43871395), (5, 17548558), (10, 8774279), (43, 2040530), (86, 1020265), (215, 408106), (419, 209410), (430, 204053), (487, 180170), (838, 104705), (974, 90085), (2095, 41882), (2435, 36034), (4190, 20941), (4870, 18017)]