53287120

素因数分解:

$2^4\times 5^1\times {\mathrm{666089}}^1$

素因数の和:666102

約数の個数: 20

約数和(自身を含む): 123892740

約数和(自身を除く): 70605620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 666089, 1332178, 2664356, 3330445, 5328712, 6660890, 10657424, 13321780, 26643560, 53287120]

約数ペア:

[(1, 53287120), (2, 26643560), (4, 13321780), (5, 10657424), (8, 6660890), (10, 5328712), (16, 3330445), (20, 2664356), (40, 1332178), (80, 666089)]