71666480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47149}}^1$

素因数の和:47181

約数の個数: 40

約数和(自身を含む): 175398000

約数和(自身を除く): 103731520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 47149, 94298, 188596, 235745, 377192, 471490, 754384, 895831, 942980, 1791662, 1885960, 3583324, 3771920, 4479155, 7166648, 8958310, 14333296, 17916620, 35833240, 71666480]

約数ペア:

[(1, 71666480), (2, 35833240), (4, 17916620), (5, 14333296), (8, 8958310), (10, 7166648), (16, 4479155), (19, 3771920), (20, 3583324), (38, 1885960), (40, 1791662), (76, 942980), (80, 895831), (95, 754384), (152, 471490), (190, 377192), (304, 235745), (380, 188596), (760, 94298), (1520, 47149)]