66577520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43801}}^1$

素因数の和:43833

約数の個数: 40

約数和(自身を含む): 162943440

約数和(自身を除く): 96365920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 43801, 87602, 175204, 219005, 350408, 438010, 700816, 832219, 876020, 1664438, 1752040, 3328876, 3504080, 4161095, 6657752, 8322190, 13315504, 16644380, 33288760, 66577520]

約数ペア:

[(1, 66577520), (2, 33288760), (4, 16644380), (5, 13315504), (8, 8322190), (10, 6657752), (16, 4161095), (19, 3504080), (20, 3328876), (38, 1752040), (40, 1664438), (76, 876020), (80, 832219), (95, 700816), (152, 438010), (190, 350408), (304, 219005), (380, 175204), (760, 87602), (1520, 43801)]