16401680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3361}}^1$

素因数の和:3435

約数の個数: 40

約数和(自身を含む): 38770584

約数和(自身を除く): 22368904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3361, 4880, 6722, 13444, 16805, 26888, 33610, 53776, 67220, 134440, 205021, 268880, 410042, 820084, 1025105, 1640168, 2050210, 3280336, 4100420, 8200840, 16401680]

約数ペア:

[(1, 16401680), (2, 8200840), (4, 4100420), (5, 3280336), (8, 2050210), (10, 1640168), (16, 1025105), (20, 820084), (40, 410042), (61, 268880), (80, 205021), (122, 134440), (244, 67220), (305, 53776), (488, 33610), (610, 26888), (976, 16805), (1220, 13444), (2440, 6722), (3361, 4880)]