11557540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 25280640

約数和(自身を除く): 13723100

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 151, 172, 178, 215, 302, 356, 430, 445, 604, 755, 860, 890, 1510, 1780, 3020, 3827, 6493, 7654, 12986, 13439, 15308, 19135, 25972, 26878, 32465, 38270, 53756, 64930, 67195, 76540, 129860, 134390, 268780, 577877, 1155754, 2311508, 2889385, 5778770, 11557540]

約数ペア:

[(1, 11557540), (2, 5778770), (4, 2889385), (5, 2311508), (10, 1155754), (20, 577877), (43, 268780), (86, 134390), (89, 129860), (151, 76540), (172, 67195), (178, 64930), (215, 53756), (302, 38270), (356, 32465), (430, 26878), (445, 25972), (604, 19135), (755, 15308), (860, 13439), (890, 12986), (1510, 7654), (1780, 6493), (3020, 3827)]