8200840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3361}}^1$

素因数の和:3433

約数の個数: 32

約数和(自身を含む): 18759960

約数和(自身を除く): 10559120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3361, 6722, 13444, 16805, 26888, 33610, 67220, 134440, 205021, 410042, 820084, 1025105, 1640168, 2050210, 4100420, 8200840]

約数ペア:

[(1, 8200840), (2, 4100420), (4, 2050210), (5, 1640168), (8, 1025105), (10, 820084), (20, 410042), (40, 205021), (61, 134440), (122, 67220), (244, 33610), (305, 26888), (488, 16805), (610, 13444), (1220, 6722), (2440, 3361)]