1810040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1223}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 4186080

約数和(自身を除く): 2376040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1223, 1480, 2446, 4892, 6115, 9784, 12230, 24460, 45251, 48920, 90502, 181004, 226255, 362008, 452510, 905020, 1810040]

約数ペア:

[(1, 1810040), (2, 905020), (4, 452510), (5, 362008), (8, 226255), (10, 181004), (20, 90502), (37, 48920), (40, 45251), (74, 24460), (148, 12230), (185, 9784), (296, 6115), (370, 4892), (740, 2446), (1223, 1480)]