13241560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 32011200

約数和(自身を除く): 18769640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 389, 460, 740, 778, 851, 920, 1480, 1556, 1702, 1945, 3112, 3404, 3890, 4255, 6808, 7780, 8510, 8947, 14393, 15560, 17020, 17894, 28786, 34040, 35788, 44735, 57572, 71576, 71965, 89470, 115144, 143930, 178940, 287860, 331039, 357880, 575720, 662078, 1324156, 1655195, 2648312, 3310390, 6620780, 13241560]

約数ペア:

[(1, 13241560), (2, 6620780), (4, 3310390), (5, 2648312), (8, 1655195), (10, 1324156), (20, 662078), (23, 575720), (37, 357880), (40, 331039), (46, 287860), (74, 178940), (92, 143930), (115, 115144), (148, 89470), (184, 71965), (185, 71576), (230, 57572), (296, 44735), (370, 35788), (389, 34040), (460, 28786), (740, 17894), (778, 17020), (851, 15560), (920, 14393), (1480, 8947), (1556, 8510), (1702, 7780), (1945, 6808), (3112, 4255), (3404, 3890)]