12644725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 16472160

約数和(自身を除く): 3827435

約数列:

[1, 5, 25, 29, 107, 145, 163, 535, 725, 815, 2675, 3103, 4075, 4727, 15515, 17441, 23635, 77575, 87205, 118175, 436025, 505789, 2528945, 12644725]

約数ペア:

[(1, 12644725), (5, 2528945), (25, 505789), (29, 436025), (107, 118175), (145, 87205), (163, 77575), (535, 23635), (725, 17441), (815, 15515), (2675, 4727), (3103, 4075)]