1388322620

素因数分解:

$2^2\times 5^1\times {\mathrm{3001}}^1\times {\mathrm{23131}}^1$

素因数の和:26141

約数の個数: 24

約数和(自身を含む): 2916575088

約数和(自身を除く): 1528252468

約数列:

[1, 2, 4, 5, 10, 20, 3001, 6002, 12004, 15005, 23131, 30010, 46262, 60020, 92524, 115655, 231310, 462620, 69416131, 138832262, 277664524, 347080655, 694161310, 1388322620]

約数ペア:

[(1, 1388322620), (2, 694161310), (4, 347080655), (5, 277664524), (10, 138832262), (20, 69416131), (3001, 462620), (6002, 231310), (12004, 115655), (15005, 92524), (23131, 60020), (30010, 46262)]