12875702980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1033363}}^1$

素因数の和:1033468

約数の個数: 48

約数和(自身を含む): 31248927360

約数和(自身を除く): 18373224380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 1033363, 2066726, 4133452, 5166815, 7233541, 10333630, 14467082, 20667260, 28934164, 36167705, 72335410, 91969307, 144670820, 183938614, 367877228, 459846535, 643785149, 919693070, 1287570298, 1839386140, 2575140596, 3218925745, 6437851490, 12875702980]

約数ペア:

[(1, 12875702980), (2, 6437851490), (4, 3218925745), (5, 2575140596), (7, 1839386140), (10, 1287570298), (14, 919693070), (20, 643785149), (28, 459846535), (35, 367877228), (70, 183938614), (89, 144670820), (140, 91969307), (178, 72335410), (356, 36167705), (445, 28934164), (623, 20667260), (890, 14467082), (1246, 10333630), (1780, 7233541), (2492, 5166815), (3115, 4133452), (6230, 2066726), (12460, 1033363)]