55145720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8563}}^1$

素因数の和:8604

約数の個数: 64

約数和(自身を含む): 147985920

約数和(自身を除く): 92840200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 8563, 17126, 34252, 42815, 59941, 68504, 85630, 119882, 171260, 196949, 239764, 299705, 342520, 393898, 479528, 599410, 787796, 984745, 1198820, 1378643, 1575592, 1969490, 2397640, 2757286, 3938980, 5514572, 6893215, 7877960, 11029144, 13786430, 27572860, 55145720]

約数ペア:

[(1, 55145720), (2, 27572860), (4, 13786430), (5, 11029144), (7, 7877960), (8, 6893215), (10, 5514572), (14, 3938980), (20, 2757286), (23, 2397640), (28, 1969490), (35, 1575592), (40, 1378643), (46, 1198820), (56, 984745), (70, 787796), (92, 599410), (115, 479528), (140, 393898), (161, 342520), (184, 299705), (230, 239764), (280, 196949), (322, 171260), (460, 119882), (644, 85630), (805, 68504), (920, 59941), (1288, 42815), (1610, 34252), (3220, 17126), (6440, 8563)]