8745520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 24935904

約数和(自身を除く): 16190384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 97, 98, 112, 115, 140, 161, 184, 194, 196, 230, 245, 280, 322, 368, 388, 392, 460, 485, 490, 560, 644, 679, 776, 784, 805, 920, 970, 980, 1127, 1288, 1358, 1552, 1610, 1840, 1940, 1960, 2231, 2254, 2576, 2716, 3220, 3395, 3880, 3920, 4462, 4508, 4753, 5432, 5635, 6440, 6790, 7760, 8924, 9016, 9506, 10864, 11155, 11270, 12880, 13580, 15617, 17848, 18032, 19012, 22310, 22540, 23765, 27160, 31234, 35696, 38024, 44620, 45080, 47530, 54320, 62468, 76048, 78085, 89240, 90160, 95060, 109319, 124936, 156170, 178480, 190120, 218638, 249872, 312340, 380240, 437276, 546595, 624680, 874552, 1093190, 1249360, 1749104, 2186380, 4372760, 8745520]

約数ペア:

[(1, 8745520), (2, 4372760), (4, 2186380), (5, 1749104), (7, 1249360), (8, 1093190), (10, 874552), (14, 624680), (16, 546595), (20, 437276), (23, 380240), (28, 312340), (35, 249872), (40, 218638), (46, 190120), (49, 178480), (56, 156170), (70, 124936), (80, 109319), (92, 95060), (97, 90160), (98, 89240), (112, 78085), (115, 76048), (140, 62468), (161, 54320), (184, 47530), (194, 45080), (196, 44620), (230, 38024), (245, 35696), (280, 31234), (322, 27160), (368, 23765), (388, 22540), (392, 22310), (460, 19012), (485, 18032), (490, 17848), (560, 15617), (644, 13580), (679, 12880), (776, 11270), (784, 11155), (805, 10864), (920, 9506), (970, 9016), (980, 8924), (1127, 7760), (1288, 6790), (1358, 6440), (1552, 5635), (1610, 5432), (1840, 4753), (1940, 4508), (1960, 4462), (2231, 3920), (2254, 3880), (2576, 3395), (2716, 3220)]