13240640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:304

約数の個数: 112

約数和(自身を含む): 37746432

約数和(自身を除く): 24505792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 257, 280, 320, 322, 368, 448, 460, 514, 560, 644, 736, 805, 920, 1028, 1120, 1285, 1288, 1472, 1610, 1799, 1840, 2056, 2240, 2570, 2576, 3220, 3598, 3680, 4112, 5140, 5152, 5911, 6440, 7196, 7360, 8224, 8995, 10280, 10304, 11822, 12880, 14392, 16448, 17990, 20560, 23644, 25760, 28784, 29555, 35980, 41120, 41377, 47288, 51520, 57568, 59110, 71960, 82240, 82754, 94576, 115136, 118220, 143920, 165508, 189152, 206885, 236440, 287840, 331016, 378304, 413770, 472880, 575680, 662032, 827540, 945760, 1324064, 1655080, 1891520, 2648128, 3310160, 6620320, 13240640]

約数ペア:

[(1, 13240640), (2, 6620320), (4, 3310160), (5, 2648128), (7, 1891520), (8, 1655080), (10, 1324064), (14, 945760), (16, 827540), (20, 662032), (23, 575680), (28, 472880), (32, 413770), (35, 378304), (40, 331016), (46, 287840), (56, 236440), (64, 206885), (70, 189152), (80, 165508), (92, 143920), (112, 118220), (115, 115136), (140, 94576), (160, 82754), (161, 82240), (184, 71960), (224, 59110), (230, 57568), (257, 51520), (280, 47288), (320, 41377), (322, 41120), (368, 35980), (448, 29555), (460, 28784), (514, 25760), (560, 23644), (644, 20560), (736, 17990), (805, 16448), (920, 14392), (1028, 12880), (1120, 11822), (1285, 10304), (1288, 10280), (1472, 8995), (1610, 8224), (1799, 7360), (1840, 7196), (2056, 6440), (2240, 5911), (2570, 5152), (2576, 5140), (3220, 4112), (3598, 3680)]