20355582080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1\times {\mathrm{1061}}^1$

素因数の和:2078

約数の個数: 128

約数和(自身を含む): 50331663360

約数和(自身を除く): 29976081280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 967, 992, 1061, 1240, 1934, 1984, 2122, 2480, 3868, 3968, 4244, 4835, 4960, 5305, 7736, 8488, 9670, 9920, 10610, 15472, 16976, 19340, 19840, 21220, 29977, 30944, 32891, 33952, 38680, 42440, 59954, 61888, 65782, 67904, 77360, 84880, 119908, 123776, 131564, 135808, 149885, 154720, 164455, 169760, 239816, 263128, 299770, 309440, 328910, 339520, 479632, 526256, 599540, 618880, 657820, 679040, 959264, 1025987, 1052512, 1199080, 1315640, 1918528, 2051974, 2105024, 2398160, 2631280, 3837056, 4103948, 4210048, 4796320, 5129935, 5262560, 8207896, 9592640, 10259870, 10525120, 16415792, 19185280, 20519740, 21050240, 31805597, 32831584, 41039480, 63611194, 65663168, 82078960, 127222388, 131326336, 159027985, 164157920, 254444776, 318055970, 328315840, 508889552, 636111940, 656631680, 1017779104, 1272223880, 2035558208, 2544447760, 4071116416, 5088895520, 10177791040, 20355582080]

約数ペア:

[(1, 20355582080), (2, 10177791040), (4, 5088895520), (5, 4071116416), (8, 2544447760), (10, 2035558208), (16, 1272223880), (20, 1017779104), (31, 656631680), (32, 636111940), (40, 508889552), (62, 328315840), (64, 318055970), (80, 254444776), (124, 164157920), (128, 159027985), (155, 131326336), (160, 127222388), (248, 82078960), (310, 65663168), (320, 63611194), (496, 41039480), (620, 32831584), (640, 31805597), (967, 21050240), (992, 20519740), (1061, 19185280), (1240, 16415792), (1934, 10525120), (1984, 10259870), (2122, 9592640), (2480, 8207896), (3868, 5262560), (3968, 5129935), (4244, 4796320), (4835, 4210048), (4960, 4103948), (5305, 3837056), (7736, 2631280), (8488, 2398160), (9670, 2105024), (9920, 2051974), (10610, 1918528), (15472, 1315640), (16976, 1199080), (19340, 1052512), (19840, 1025987), (21220, 959264), (29977, 679040), (30944, 657820), (32891, 618880), (33952, 599540), (38680, 526256), (42440, 479632), (59954, 339520), (61888, 328910), (65782, 309440), (67904, 299770), (77360, 263128), (84880, 239816), (119908, 169760), (123776, 164455), (131564, 154720), (135808, 149885)]