123468880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25301}}^1$

素因数の和:25375

約数の個数: 40

約数和(自身を含む): 291782664

約数和(自身を除く): 168313784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 25301, 50602, 101204, 126505, 202408, 253010, 404816, 506020, 1012040, 1543361, 2024080, 3086722, 6173444, 7716805, 12346888, 15433610, 24693776, 30867220, 61734440, 123468880]

約数ペア:

[(1, 123468880), (2, 61734440), (4, 30867220), (5, 24693776), (8, 15433610), (10, 12346888), (16, 7716805), (20, 6173444), (40, 3086722), (61, 2024080), (80, 1543361), (122, 1012040), (244, 506020), (305, 404816), (488, 253010), (610, 202408), (976, 126505), (1220, 101204), (2440, 50602), (4880, 25301)]