18105440

素因数分解:

$2^5\times 5^1\times {\mathrm{113159}}^1$

素因数の和:113174

約数の個数: 24

約数和(自身を含む): 42774480

約数和(自身を除く): 24669040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 113159, 226318, 452636, 565795, 905272, 1131590, 1810544, 2263180, 3621088, 4526360, 9052720, 18105440]

約数ペア:

[(1, 18105440), (2, 9052720), (4, 4526360), (5, 3621088), (8, 2263180), (10, 1810544), (16, 1131590), (20, 905272), (32, 565795), (40, 452636), (80, 226318), (160, 113159)]