13264220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9341}}^1$

素因数の和:9421

約数の個数: 24

約数和(自身を含む): 28250208

約数和(自身を除く): 14985988

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9341, 18682, 37364, 46705, 93410, 186820, 663211, 1326422, 2652844, 3316055, 6632110, 13264220]

約数ペア:

[(1, 13264220), (2, 6632110), (4, 3316055), (5, 2652844), (10, 1326422), (20, 663211), (71, 186820), (142, 93410), (284, 46705), (355, 37364), (710, 18682), (1420, 9341)]