12508780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 27869184

約数和(自身を除く): 15360404

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 383, 460, 710, 766, 1420, 1532, 1633, 1915, 3266, 3830, 6532, 7660, 8165, 8809, 16330, 17618, 27193, 32660, 35236, 44045, 54386, 88090, 108772, 135965, 176180, 271930, 543860, 625439, 1250878, 2501756, 3127195, 6254390, 12508780]

約数ペア:

[(1, 12508780), (2, 6254390), (4, 3127195), (5, 2501756), (10, 1250878), (20, 625439), (23, 543860), (46, 271930), (71, 176180), (92, 135965), (115, 108772), (142, 88090), (230, 54386), (284, 44045), (355, 35236), (383, 32660), (460, 27193), (710, 17618), (766, 16330), (1420, 8809), (1532, 8165), (1633, 7660), (1915, 6532), (3266, 3830)]