11571440

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1327}}^1$

素因数の和:1449

約数の個数: 40

約数和(自身を含む): 27170880

約数和(自身を除く): 15599440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1327, 1744, 2180, 2654, 4360, 5308, 6635, 8720, 10616, 13270, 21232, 26540, 53080, 106160, 144643, 289286, 578572, 723215, 1157144, 1446430, 2314288, 2892860, 5785720, 11571440]

約数ペア:

[(1, 11571440), (2, 5785720), (4, 2892860), (5, 2314288), (8, 1446430), (10, 1157144), (16, 723215), (20, 578572), (40, 289286), (80, 144643), (109, 106160), (218, 53080), (436, 26540), (545, 21232), (872, 13270), (1090, 10616), (1327, 8720), (1744, 6635), (2180, 5308), (2654, 4360)]