67125580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{877}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 146028960

約数和(自身を除く): 78903380

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 860, 877, 890, 1754, 1780, 3508, 3827, 4385, 7654, 8770, 15308, 17540, 19135, 37711, 38270, 75422, 76540, 78053, 150844, 156106, 188555, 312212, 377110, 390265, 754220, 780530, 1561060, 3356279, 6712558, 13425116, 16781395, 33562790, 67125580]

約数ペア:

[(1, 67125580), (2, 33562790), (4, 16781395), (5, 13425116), (10, 6712558), (20, 3356279), (43, 1561060), (86, 780530), (89, 754220), (172, 390265), (178, 377110), (215, 312212), (356, 188555), (430, 156106), (445, 150844), (860, 78053), (877, 76540), (890, 75422), (1754, 38270), (1780, 37711), (3508, 19135), (3827, 17540), (4385, 15308), (7654, 8770)]