61327580

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{4639}}^1$

素因数の和:5309

約数の個数: 24

約数和(自身を含む): 129010560

約数和(自身を除く): 67682980

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 4639, 6610, 9278, 13220, 18556, 23195, 46390, 92780, 3066379, 6132758, 12265516, 15331895, 30663790, 61327580]

約数ペア:

[(1, 61327580), (2, 30663790), (4, 15331895), (5, 12265516), (10, 6132758), (20, 3066379), (661, 92780), (1322, 46390), (2644, 23195), (3305, 18556), (4639, 13220), (6610, 9278)]