78843920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51871}}^1$

素因数の和:51903

約数の個数: 40

約数和(自身を含む): 192963840

約数和(自身を除く): 114119920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 51871, 103742, 207484, 259355, 414968, 518710, 829936, 985549, 1037420, 1971098, 2074840, 3942196, 4149680, 4927745, 7884392, 9855490, 15768784, 19710980, 39421960, 78843920]

約数ペア:

[(1, 78843920), (2, 39421960), (4, 19710980), (5, 15768784), (8, 9855490), (10, 7884392), (16, 4927745), (19, 4149680), (20, 3942196), (38, 2074840), (40, 1971098), (76, 1037420), (80, 985549), (95, 829936), (152, 518710), (190, 414968), (304, 259355), (380, 207484), (760, 103742), (1520, 51871)]