12450140

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1223}}^1$

素因数の和:1741

約数の個数: 24

約数和(自身を含む): 26218080

約数和(自身を除く): 13767940

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 1223, 2036, 2446, 2545, 4892, 5090, 6115, 10180, 12230, 24460, 622507, 1245014, 2490028, 3112535, 6225070, 12450140]

約数ペア:

[(1, 12450140), (2, 6225070), (4, 3112535), (5, 2490028), (10, 1245014), (20, 622507), (509, 24460), (1018, 12230), (1223, 10180), (2036, 6115), (2446, 5090), (2545, 4892)]