21880160

素因数分解:

$2^5\times 5^1\times {\mathrm{136751}}^1$

素因数の和:136766

約数の個数: 24

約数和(自身を含む): 51692256

約数和(自身を除く): 29812096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 136751, 273502, 547004, 683755, 1094008, 1367510, 2188016, 2735020, 4376032, 5470040, 10940080, 21880160]

約数ペア:

[(1, 21880160), (2, 10940080), (4, 5470040), (5, 4376032), (8, 2735020), (10, 2188016), (16, 1367510), (20, 1094008), (32, 683755), (40, 547004), (80, 273502), (160, 136751)]