11459440

素因数分解:

$2^4\times 5^1\times {\mathrm{143243}}^1$

素因数の和:143256

約数の個数: 20

約数和(自身を含む): 26643384

約数和(自身を除く): 15183944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 143243, 286486, 572972, 716215, 1145944, 1432430, 2291888, 2864860, 5729720, 11459440]

約数ペア:

[(1, 11459440), (2, 5729720), (4, 2864860), (5, 2291888), (8, 1432430), (10, 1145944), (16, 716215), (20, 572972), (40, 286486), (80, 143243)]