12448220

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{971}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 26209008

約数和(自身を除く): 13760788

約数列:

[1, 2, 4, 5, 10, 20, 641, 971, 1282, 1942, 2564, 3205, 3884, 4855, 6410, 9710, 12820, 19420, 622411, 1244822, 2489644, 3112055, 6224110, 12448220]

約数ペア:

[(1, 12448220), (2, 6224110), (4, 3112055), (5, 2489644), (10, 1244822), (20, 622411), (641, 19420), (971, 12820), (1282, 9710), (1942, 6410), (2564, 4855), (3205, 3884)]