16379560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 38491200

約数和(自身を除く): 22111640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 107, 172, 178, 214, 215, 344, 356, 428, 430, 445, 535, 712, 856, 860, 890, 1070, 1720, 1780, 2140, 3560, 3827, 4280, 4601, 7654, 9202, 9523, 15308, 18404, 19046, 19135, 23005, 30616, 36808, 38092, 38270, 46010, 47615, 76184, 76540, 92020, 95230, 153080, 184040, 190460, 380920, 409489, 818978, 1637956, 2047445, 3275912, 4094890, 8189780, 16379560]

約数ペア:

[(1, 16379560), (2, 8189780), (4, 4094890), (5, 3275912), (8, 2047445), (10, 1637956), (20, 818978), (40, 409489), (43, 380920), (86, 190460), (89, 184040), (107, 153080), (172, 95230), (178, 92020), (214, 76540), (215, 76184), (344, 47615), (356, 46010), (428, 38270), (430, 38092), (445, 36808), (535, 30616), (712, 23005), (856, 19135), (860, 19046), (890, 18404), (1070, 15308), (1720, 9523), (1780, 9202), (2140, 7654), (3560, 4601), (3827, 4280)]