115809520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20389}}^1$

素因数の和:20473

約数の個数: 40

約数和(自身を含む): 273062880

約数和(自身を除く): 157253360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 20389, 40778, 81556, 101945, 163112, 203890, 326224, 407780, 815560, 1447619, 1631120, 2895238, 5790476, 7238095, 11580952, 14476190, 23161904, 28952380, 57904760, 115809520]

約数ペア:

[(1, 115809520), (2, 57904760), (4, 28952380), (5, 23161904), (8, 14476190), (10, 11580952), (16, 7238095), (20, 5790476), (40, 2895238), (71, 1631120), (80, 1447619), (142, 815560), (284, 407780), (355, 326224), (568, 203890), (710, 163112), (1136, 101945), (1420, 81556), (2840, 40778), (5680, 20389)]