12581120

素因数分解:

$2^8\times 5^1\times {\mathrm{9829}}^1$

素因数の和:9850

約数の個数: 36

約数和(自身を含む): 30138780

約数和(自身を除く): 17557660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 9829, 19658, 39316, 49145, 78632, 98290, 157264, 196580, 314528, 393160, 629056, 786320, 1258112, 1572640, 2516224, 3145280, 6290560, 12581120]

約数ペア:

[(1, 12581120), (2, 6290560), (4, 3145280), (5, 2516224), (8, 1572640), (10, 1258112), (16, 786320), (20, 629056), (32, 393160), (40, 314528), (64, 196580), (80, 157264), (128, 98290), (160, 78632), (256, 49145), (320, 39316), (640, 19658), (1280, 9829)]