11540920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2647}}^1$

素因数の和:2767

約数の個数: 32

約数和(自身を含む): 26215200

約数和(自身を除く): 14674280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2647, 4360, 5294, 10588, 13235, 21176, 26470, 52940, 105880, 288523, 577046, 1154092, 1442615, 2308184, 2885230, 5770460, 11540920]

約数ペア:

[(1, 11540920), (2, 5770460), (4, 2885230), (5, 2308184), (8, 1442615), (10, 1154092), (20, 577046), (40, 288523), (109, 105880), (218, 52940), (436, 26470), (545, 21176), (872, 13235), (1090, 10588), (2180, 5294), (2647, 4360)]