12749860

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3911}}^1$

素因数の和:4083

約数の個数: 24

約数和(自身を含む): 26945856

約数和(自身を除く): 14195996

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 3911, 7822, 15644, 19555, 39110, 78220, 637493, 1274986, 2549972, 3187465, 6374930, 12749860]

約数ペア:

[(1, 12749860), (2, 6374930), (4, 3187465), (5, 2549972), (10, 1274986), (20, 637493), (163, 78220), (326, 39110), (652, 19555), (815, 15644), (1630, 7822), (3260, 3911)]