12700280

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{829}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 28684800

約数和(自身を除く): 15984520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 829, 1532, 1658, 1915, 3064, 3316, 3830, 4145, 6632, 7660, 8290, 15320, 16580, 33160, 317507, 635014, 1270028, 1587535, 2540056, 3175070, 6350140, 12700280]

約数ペア:

[(1, 12700280), (2, 6350140), (4, 3175070), (5, 2540056), (8, 1587535), (10, 1270028), (20, 635014), (40, 317507), (383, 33160), (766, 16580), (829, 15320), (1532, 8290), (1658, 7660), (1915, 6632), (3064, 4145), (3316, 3830)]