12909059920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{23567}}^1$

素因数の和:23788

約数の個数: 80

約数和(自身を含む): 30931020288

約数和(自身を除く): 18021960368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 167, 205, 328, 334, 410, 656, 668, 820, 835, 1336, 1640, 1670, 2672, 3280, 3340, 6680, 6847, 13360, 13694, 23567, 27388, 34235, 47134, 54776, 68470, 94268, 109552, 117835, 136940, 188536, 235670, 273880, 377072, 471340, 547760, 942680, 966247, 1885360, 1932494, 3864988, 3935689, 4831235, 7729976, 7871378, 9662470, 15459952, 15742756, 19324940, 19678445, 31485512, 38649880, 39356890, 62971024, 77299760, 78713780, 157427560, 161363249, 314855120, 322726498, 645452996, 806816245, 1290905992, 1613632490, 2581811984, 3227264980, 6454529960, 12909059920]

約数ペア:

[(1, 12909059920), (2, 6454529960), (4, 3227264980), (5, 2581811984), (8, 1613632490), (10, 1290905992), (16, 806816245), (20, 645452996), (40, 322726498), (41, 314855120), (80, 161363249), (82, 157427560), (164, 78713780), (167, 77299760), (205, 62971024), (328, 39356890), (334, 38649880), (410, 31485512), (656, 19678445), (668, 19324940), (820, 15742756), (835, 15459952), (1336, 9662470), (1640, 7871378), (1670, 7729976), (2672, 4831235), (3280, 3935689), (3340, 3864988), (6680, 1932494), (6847, 1885360), (13360, 966247), (13694, 942680), (23567, 547760), (27388, 471340), (34235, 377072), (47134, 273880), (54776, 235670), (68470, 188536), (94268, 136940), (109552, 117835)]