55344440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1399}}^1$

素因数の和:1476

約数の個数: 64

約数和(自身を含む): 133056000

約数和(自身を除く): 77711560

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, 1399, 1720, 1978, 2798, 3956, 4945, 5596, 6995, 7912, 9890, 11192, 13990, 19780, 27980, 32177, 39560, 55960, 60157, 64354, 120314, 128708, 160885, 240628, 257416, 300785, 321770, 481256, 601570, 643540, 1203140, 1287080, 1383611, 2406280, 2767222, 5534444, 6918055, 11068888, 13836110, 27672220, 55344440]

約数ペア:

[(1, 55344440), (2, 27672220), (4, 13836110), (5, 11068888), (8, 6918055), (10, 5534444), (20, 2767222), (23, 2406280), (40, 1383611), (43, 1287080), (46, 1203140), (86, 643540), (92, 601570), (115, 481256), (172, 321770), (184, 300785), (215, 257416), (230, 240628), (344, 160885), (430, 128708), (460, 120314), (860, 64354), (920, 60157), (989, 55960), (1399, 39560), (1720, 32177), (1978, 27980), (2798, 19780), (3956, 13990), (4945, 11192), (5596, 9890), (6995, 7912)]