11561080

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{743}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 26114400

約数和(自身を除く): 14553320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 743, 778, 1486, 1556, 1945, 2972, 3112, 3715, 3890, 5944, 7430, 7780, 14860, 15560, 29720, 289027, 578054, 1156108, 1445135, 2312216, 2890270, 5780540, 11561080]

約数ペア:

[(1, 11561080), (2, 5780540), (4, 2890270), (5, 2312216), (8, 1445135), (10, 1156108), (20, 578054), (40, 289027), (389, 29720), (743, 15560), (778, 14860), (1486, 7780), (1556, 7430), (1945, 5944), (2972, 3890), (3112, 3715)]