42505480

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{1049}}^1$

素因数の和:2073

約数の個数: 32

約数和(自身を含む): 95823000

約数和(自身を除く): 53317520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 1049, 2026, 2098, 4052, 4196, 5065, 5245, 8104, 8392, 10130, 10490, 20260, 20980, 40520, 41960, 1062637, 2125274, 4250548, 5313185, 8501096, 10626370, 21252740, 42505480]

約数ペア:

[(1, 42505480), (2, 21252740), (4, 10626370), (5, 8501096), (8, 5313185), (10, 4250548), (20, 2125274), (40, 1062637), (1013, 41960), (1049, 40520), (2026, 20980), (2098, 20260), (4052, 10490), (4196, 10130), (5065, 8392), (5245, 8104)]