16215697880

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{20393}}^1$

素因数の和:20700

約数の個数: 64

約数和(自身を含む): 37032240960

約数和(自身を除く): 20816543080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 193, 206, 386, 412, 515, 772, 824, 965, 1030, 1544, 1930, 2060, 3860, 4120, 7720, 19879, 20393, 39758, 40786, 79516, 81572, 99395, 101965, 159032, 163144, 198790, 203930, 397580, 407860, 795160, 815720, 2100479, 3935849, 4200958, 7871698, 8401916, 10502395, 15743396, 16803832, 19679245, 21004790, 31486792, 39358490, 42009580, 78716980, 84019160, 157433960, 405392447, 810784894, 1621569788, 2026962235, 3243139576, 4053924470, 8107848940, 16215697880]

約数ペア:

[(1, 16215697880), (2, 8107848940), (4, 4053924470), (5, 3243139576), (8, 2026962235), (10, 1621569788), (20, 810784894), (40, 405392447), (103, 157433960), (193, 84019160), (206, 78716980), (386, 42009580), (412, 39358490), (515, 31486792), (772, 21004790), (824, 19679245), (965, 16803832), (1030, 15743396), (1544, 10502395), (1930, 8401916), (2060, 7871698), (3860, 4200958), (4120, 3935849), (7720, 2100479), (19879, 815720), (20393, 795160), (39758, 407860), (40786, 397580), (79516, 203930), (81572, 198790), (99395, 163144), (101965, 159032)]