78103120

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2897}}^1$

素因数の和:3247

約数の個数: 40

約数和(自身を含む): 182191464

約数和(自身を除く): 104088344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 1348, 1685, 2696, 2897, 3370, 5392, 5794, 6740, 11588, 13480, 14485, 23176, 26960, 28970, 46352, 57940, 115880, 231760, 976289, 1952578, 3905156, 4881445, 7810312, 9762890, 15620624, 19525780, 39051560, 78103120]

約数ペア:

[(1, 78103120), (2, 39051560), (4, 19525780), (5, 15620624), (8, 9762890), (10, 7810312), (16, 4881445), (20, 3905156), (40, 1952578), (80, 976289), (337, 231760), (674, 115880), (1348, 57940), (1685, 46352), (2696, 28970), (2897, 26960), (3370, 23176), (5392, 14485), (5794, 13480), (6740, 11588)]