39979520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:150

約数の個数: 160

約数和(自身を含む): 115492608

約数和(自身を除く): 75513088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 97, 112, 115, 128, 140, 160, 161, 184, 194, 224, 230, 256, 280, 320, 322, 368, 388, 448, 460, 485, 512, 560, 640, 644, 679, 736, 776, 805, 896, 920, 970, 1120, 1280, 1288, 1358, 1472, 1552, 1610, 1792, 1840, 1940, 2231, 2240, 2560, 2576, 2716, 2944, 3104, 3220, 3395, 3584, 3680, 3880, 4462, 4480, 5152, 5432, 5888, 6208, 6440, 6790, 7360, 7760, 8924, 8960, 10304, 10864, 11155, 11776, 12416, 12880, 13580, 14720, 15520, 15617, 17848, 17920, 20608, 21728, 22310, 24832, 25760, 27160, 29440, 31040, 31234, 35696, 41216, 43456, 44620, 49664, 51520, 54320, 58880, 62080, 62468, 71392, 78085, 82432, 86912, 89240, 103040, 108640, 124160, 124936, 142784, 156170, 173824, 178480, 206080, 217280, 248320, 249872, 285568, 312340, 347648, 356960, 412160, 434560, 499744, 571136, 624680, 713920, 869120, 999488, 1142272, 1249360, 1427840, 1738240, 1998976, 2498720, 2855680, 3997952, 4997440, 5711360, 7995904, 9994880, 19989760, 39979520]

約数ペア:

[(1, 39979520), (2, 19989760), (4, 9994880), (5, 7995904), (7, 5711360), (8, 4997440), (10, 3997952), (14, 2855680), (16, 2498720), (20, 1998976), (23, 1738240), (28, 1427840), (32, 1249360), (35, 1142272), (40, 999488), (46, 869120), (56, 713920), (64, 624680), (70, 571136), (80, 499744), (92, 434560), (97, 412160), (112, 356960), (115, 347648), (128, 312340), (140, 285568), (160, 249872), (161, 248320), (184, 217280), (194, 206080), (224, 178480), (230, 173824), (256, 156170), (280, 142784), (320, 124936), (322, 124160), (368, 108640), (388, 103040), (448, 89240), (460, 86912), (485, 82432), (512, 78085), (560, 71392), (640, 62468), (644, 62080), (679, 58880), (736, 54320), (776, 51520), (805, 49664), (896, 44620), (920, 43456), (970, 41216), (1120, 35696), (1280, 31234), (1288, 31040), (1358, 29440), (1472, 27160), (1552, 25760), (1610, 24832), (1792, 22310), (1840, 21728), (1940, 20608), (2231, 17920), (2240, 17848), (2560, 15617), (2576, 15520), (2716, 14720), (2944, 13580), (3104, 12880), (3220, 12416), (3395, 11776), (3584, 11155), (3680, 10864), (3880, 10304), (4462, 8960), (4480, 8924), (5152, 7760), (5432, 7360), (5888, 6790), (6208, 6440)]