55517680

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6871}}^1$

素因数の和:6985

約数の個数: 40

約数和(自身を含む): 130375584

約数和(自身を除く): 74857904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 6871, 8080, 13742, 27484, 34355, 54968, 68710, 109936, 137420, 274840, 549680, 693971, 1387942, 2775884, 3469855, 5551768, 6939710, 11103536, 13879420, 27758840, 55517680]

約数ペア:

[(1, 55517680), (2, 27758840), (4, 13879420), (5, 11103536), (8, 6939710), (10, 5551768), (16, 3469855), (20, 2775884), (40, 1387942), (80, 693971), (101, 549680), (202, 274840), (404, 137420), (505, 109936), (808, 68710), (1010, 54968), (1616, 34355), (2020, 27484), (4040, 13742), (6871, 8080)]