65550920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1657}}^1$

素因数の和:1734

約数の個数: 64

約数和(自身を含む): 157576320

約数和(自身を除く): 92025400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1657, 1720, 1978, 3314, 3956, 4945, 6628, 7912, 8285, 9890, 13256, 16570, 19780, 33140, 38111, 39560, 66280, 71251, 76222, 142502, 152444, 190555, 285004, 304888, 356255, 381110, 570008, 712510, 762220, 1425020, 1524440, 1638773, 2850040, 3277546, 6555092, 8193865, 13110184, 16387730, 32775460, 65550920]

約数ペア:

[(1, 65550920), (2, 32775460), (4, 16387730), (5, 13110184), (8, 8193865), (10, 6555092), (20, 3277546), (23, 2850040), (40, 1638773), (43, 1524440), (46, 1425020), (86, 762220), (92, 712510), (115, 570008), (172, 381110), (184, 356255), (215, 304888), (230, 285004), (344, 190555), (430, 152444), (460, 142502), (860, 76222), (920, 71251), (989, 66280), (1657, 39560), (1720, 38111), (1978, 33140), (3314, 19780), (3956, 16570), (4945, 13256), (6628, 9890), (7912, 8285)]